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Science Chapter 1

Total questions: 259

Worksheet time: 3hrs 3mins

Name
Class
Date
1.
What is it?
a)
liver
b)
waist
c)
kidney
d)
brain
2.
What is it?
a)
arm
b)
elbow
c)
hand
d)
palm
3.
What is it?
a)
heel
b)
knee
c)
elbow
d)
toes
4.
What is it?
a)
cheek
b)
chin
c)
mouth
d)
lips
5.
What is it?
a)
eyebrows
b)
eyelashes
c)
eyelids
d)
eyes
6.
What is it?
a)
kindeys
b)
spine
c)
brain
d)
intestines
7.
What is it?
a)
stomach
b)
brain
c)
heart
d)
liver
8.
What is it?
a)
thigh
b)
foot
c)
leg
d)
back
9.
You normally wear a belt around your .... .
a)
jaw
b)
chest
c)
waist
d)
arm
10.
One of your fingers is called a ... .
a)
rib
b)
cheek
c)
thumb
d)
finger
11.

The human brain is responsible for which of the following functions?

a)

Fighting the body’s diseases

b)

Breaking down food nutrients

c)

Controlling muscle movement

d)

Pumping blood through the body

12.

Marissa is making a list of the parts of her body that help her sense the world around her. She knows that her eyes take in light so she can see. Which organ has nerve endings so that she can take in information such as textures and air temperature?

a)

Heart

b)

Skin

c)

Brain

d)

Lungs

13.

What is the function of the human skeleton?

a)

The skeleton pumps blood throughout the body, brain, and heart.

b)

The skeleton protects and defends the human body from diseases.

c)

The skeleton digests food and makes fuel for the body from the nutrients.

d)

The skeleton provides a framework for muscles and protects organs.

14.

When Bryce decides to get up and move to another room, he is counting on his body to communicate those messages to his muscles. Which of the following organs is responsible for communicating and controlling the actions of Bryce's movements?

a)

Brain

b)

Kidneys

c)

Heart

d)

Lungs

15.

In order to provide oxygen and remove carbon dioxide, air must be pumped into and out of which of the following organs?

a)

Bladder

b)

Heart

c)

Brain

d)

Lungs

16.

An organ system is made up of all the organs in the human body that work together to do a specific job, such as the circulatory system. The heart is part of the circulatory system. What is the main function of the heart?

a)

Fighting the body’s diseases

b)

Pumping blood through the body

c)

Controlling muscle movement

d)

Breaking down food nutrients

17.

The nutrients in digested food are absorbed into the bloodstream in which of the following organs?

a)

Heart

b)

Liver

c)

Intestines

d)

Lungs

18.

The stomach, liver, intestines, and pancreas are all organs in the same body system. What is the main function of the stomach?

a)

Breaking down food nutrients

b)

Pumping blood through the body

c)

Controlling muscle movement

d)

Fighting the body’s diseases

19.

Which human organ filters all the body’s blood, removes waste, and regulates body fluids?

a)

Kidneys

b)

Brain

c)

Heart

d)

Lungs

20.

Each organ performs a function necessary for a healthy, active, human body. The organ responsible for filtering the blood from the digestive tract before sending it to the rest of the body is which of the following organs?

a)

Heart

b)

Stomach

c)

Liver

d)

Lungs

21.

Two sac-like organs that hold oxygen

a)

Skin

b)

Brain

c)

Heart

d)

Lungs

e)

Stomach

22.

The organ that coordinates your body’s activities

a)

Skin

b)

Brain

c)

Heart

d)

Lung

e)

Stomach

23.

The skeletal system has many functions. Which of the following body functions does the skeletal system not do?

a)

Remove germs from the blood

b)

Protect the internal organs

c)

Give shape and support to the body

d)

Produce red and white blood cells

24.

What is the coating at the ends of the leg bones marked by arrows in the diagram shown?

a)

White blood cells

b)

Rock

c)

Marrow

d)

Cartilage

25.

What percentage of the human body is water?

a)

A.50%

b)

B.66%

c)

C.75%

d)

D.80%

26.

A human's thumb is as long as his or her nose.

a)

A.True

b)

B.False

27.

What is one of the parts in the Circulatory System?

a)

a) heart

b)

b) skin

c)

c) bones

28.

What part of the Circulatory System is a tube?

a)

a) blood vessels

b)

b) heart

c)

c) blood

29.

Where do the chemicals to break down the food in your small intestine come from?

a)

a) heart and liver

b)

b) pancreas and liver

c)

c) liver and mouth

30.

Which of these parts belong in the digestive system?

a)

a) heart

b)

b) esophagus

c)

c) blood vessels

31.

What are one of the chemicals that break down food in the stomach?

a)

a) the brain

b)

b) the liver

c)

c) enzymes

32.

What is the last part of the digestive system?

a)

a) stomach

b)

b) esophagus

c)

c) large intestine

33.

What controls the functions of the body?

a)

a) brain

b)

b) nerves

c)

c) mouth

34.

What carries the information?

a)

a) spinal cord

b)

b) brain

c)

c) lungs

35.

What acts as a pathway for sensors and impulses

a)

a) large intestine

b)

b) brain

c)

c) spinal cord

36.

What gives the brain messages?

a)

a) nerves

b)

b) heart

c)

c) large intestine

37.

What thing on your body is not protected by your skin?

a)

a) heart

b)

b) mouth

c)

c) hair

38.

LET'S FIND THE CORRECT ANSWER!

a)

BRAIN

b)

BRIAN

39.

LET'S FIND THE CORRECT ANSWER!

a)

HERAT

b)

HEART

40.

LET'S FIND THE CORRECT ANSWER!

a)

LUNGS

b)

LUGNS

41.

LET'S FIND THE CORRECT ANSWER!

a)

SOTMACH

b)

STOMACH

42.

LET'S FIND THE CORRECT ANSWER!

a)

LIVER

b)

LIREV

43.

LET'S FIND THE CORRECT ANSWER!

a)

BOSEN

b)

BONES

44.

LET'S FIND THE CORRECT ANSWER!

a)

KIDNEYS

b)

KIDYENS

45.

LET'S FIND THE CORRECT ANSWER!

a)

INTESTIENS

b)

INTESTINES

46.

BRAIN: TO THINK

a)

TRUE

b)

FALSE

47.

LUNGS: TO PUMP BLOOD

a)

FALSE

b)

TRUE

48.

HEART: TO PUMP BLOOD

a)

TRUE

b)

FALSE

49.

LIVER: TO STORE GLUCOSE

a)

TRUE

b)

FALSE

50.

BONES: TO BREATHE

a)

TRUE

b)

FALSE

51.
Acts as a protective coat. Keeps fluids and liquids in, keeps bacteria and germs out.
a)
Liver
b)
Large Intestine
c)
Kidneys
d)
Skin
52.
The control center of the human body. Sends signals throughout the body to make us function.
a)
Lungs
b)
Liver
c)
Brain
d)
Skeleton
53.
Collects and pumps oxygen throughout the blood stream in your body.
a)
Lungs
b)
Stomach
c)
Heart
d)
Liver
54.
Organ responsible for respiration (breathe in oxygen and release carbon dioxide).
a)
Bladder
b)
Kidneys
c)
Stomach
d)
Lungs
55.
Breaks down food into nutrients.
a)
Brain
b)
Skin
c)
Stomach
d)
Skeleton
56.
Cleans and removes toxins (bile) from the blood and other organs.
a)
Liver
b)
Skin
c)
Muscles
d)
Heart
57.
Absorb remaining water and matter that was not digested and turn it into waste.
a)
Liver
b)
Large Intestine
c)
Brain
d)
Skin
58.
Digest and absorb nutrients from food.
a)
Bladder
b)
Lungs
c)
Brain
d)
Small Intestine
59.
Produces digestive enzymes to help process sugar.
a)
Pancreas
b)
Kidneys
c)
Bladder
d)
Brain
60.
Organ used to connect and move bones in the body.
a)
Ovaries
b)
Muscles
c)
Pancreas
d)
Stomach
61.
Protects organs in the body, provides support, and produces blood cells.
a)
Small Intestine
b)
Lungs
c)
Skin
d)
Skeleton
62.
Balances salts and acids in your body and filters blood.
a)
Liver
b)
Kidneys
c)
Heart
d)
Stomach
63.
Stores liquid waste and excess water (urine).
a)
Liver
b)
Bladder
c)
Ovaries
d)
Skin
64.
Stores liquid waste and excess water (urine).
a)
Liver
b)
Bladder
c)
Ovaries
d)
Skin
65.
Structures within the eyes, ears, nose, mouth and skin. Allows your body to experience the 5 senses (see, hear, smell, taste, and touch).
a)
Sensory Organs
b)
Kidneys
c)
Stomach
d)
Skin
66.

Which pair of organs work together to help the body digest

food?

a)

kidneys and liver

b)

lungs and kidneys

c)

stomach and liver

d)

lungs and stomach

67.

Which organ system includes the heart, blood vessels, and blood?

a)

Digestive system

b)

Circulatory system

c)

Respiratory system

d)

Muscular system

68.
Which organ system includes the esophagus, stomach, small intestines, and large intestines?
a)
Digestive system
b)
Circulatory system
c)
Respiratory system
d)
Endocrine system
69.
Which organ system includes the brain, spinal cord, and nerves?
a)
Nervous system
b)
Muscular system
c)
Skeletal system
d)
Excretory system
70.
Which organ system delivers oxygen and nutrients to all of the body's cells?
a)
Nervous system
b)
Integumentary system
c)
Respiratory system
d)
Circulatory system
71.
Which organ system controls major body functions, muscular movements, and responses?
a)
Nervous system
b)
Integumentary system
c)
Respiratory system
d)
Circulatory system
72.
Which organ system gets oxygen into the bloodstream and removes carbon dioxide?
a)
Respiratory system
b)
Muscular system
c)
Digestive system
d)
Circulatory system
73.
Major organs of the digestive system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Liver, kidneys, heart
74.
Major organs of the nervous system
a)
Kidneys, nephrons
b)
Stomach, intestines, mouth
c)
Heart, blood vessels, blood
d)
Brain, spinal cord, nerve
75.

Major organs of the skeletal system

a)

Muscles, tendons

b)

Bones, joints

c)

Marrow, periostium, nerves

d)

Ribs, quadriceps, femur

76.
Heart, blood vessels, blood
a)
Digestive system
b)
Excretory system
c)
Circulatory system
d)
Immune system
77.

Nose, trachea, lungs

a)

Respiratory system

b)

Endocrine system

c)

Muscular system

d)

Skeletal system

78.

What is the function of this system?

a)

The protection of vital organs from injury

b)

The production of hormones that regulate growth and metabolism.

c)

The chemical breakdown of food into smaller pieces

d)

The transport of nutrients, water, and oxygen to body cells.

79.

What is the function of this system?

a)

The protection of vital organs from injury

b)

The production of hormones that regulate growth and metabolism.

c)

The chemical breakdown of food into smaller pieces

d)

The transport of nutrients, water, and oxygen to body cells.

80.

What is the function of this system?

a)

The protection of vital organs from injury

b)

The production of hormones that regulate growth and metabolism.

c)

The chemical breakdown of food into smaller pieces

d)

The transport of nutrients, water, and oxygen to body cells.

81.

What is the function of this system?

a)

exchange gases with the air

b)

breakdown molecules and absorb nutrients.

c)

Provide support and movement for the body

d)

Produce and secretes hormones which regulate metabolism, growth, and development.

82.

Which part of the body is this?

a)

Brain

b)

Sensory Organs

c)

Muscles

d)

Bones

83.

Which body part is this?

a)

Liver

b)

Stomach

c)

Pancreas

d)

Heart

84.

Which body part is this?

a)

Stomach

b)

Pancreas

c)

Liver

d)

Intestines

85.

Which body part is this?

a)

Stomach

b)

Brain

c)

Bladder

d)

Lungs

86.

Which body part is this?

a)

Heart

b)

Lungs

c)

Stomach

d)

Kidneys

87.

Which body part is this?

a)

Brain

b)

Heart

c)

Liver

d)

Pancreas

88.

Which body part is this?

a)

Lungs

b)

Stomach

c)

Skin

d)

Muscles

89.

Which body part is shown here?

a)

Brain

b)

Kidneys

c)

Bladder

d)

Heart

90.

What body part is shown here?

a)

Brain

b)

Stomach

c)

Bladder

d)

Kidneys

91.

What body part is shown here?

a)

Muscles

b)

Skin

c)

Bones

d)

All the above

92.

What body part is shown here?

a)

Muscles

b)

Skeleton

c)

Skin

d)

Intestines

93.

What is this body part?

a)

Liver

b)

Heart

c)

Intestine

d)

Pancreas

94.

What is this body part?

a)

Small Intestine

b)

Large Intestine

c)

Stomach

d)

Brain

95.

What is this body part?

a)

Small Intestine

b)

Large Intestine

c)

Lungs

d)

Bladder

96.

Blood cells

a)

Animal cells that can bend and squeeze through narrow spaces

b)

Plant cells that can make food

c)

Plant root cells that can absorb water and minerals from the soil

d)

Animal cells that can relay information to other cells

97.
a)
Animal cells that can relay information to other cells
b)
Plant cells that can make food
c)
Animal cells that can bend and squeeze through narrow spaces
d)
Plant root cells that can absorb water and minerals from the soil
98.
What comes first?
a)
Mouth
b)
stomach
c)
large intestine
d)
none
99.
Why is the esophagus/food pipe important?
a)
To swallow food
b)
To choke
c)
To make your breath smelly
d)
None of these
100.
What does the stomach do?
a)
Nothing
b)
Adds digestive juices to the food
c)
Goes out to the rectum
d)
Barley any of these
101.
What is the small intestine responsible for?
a)
takes in more enzymes and starts absorption
b)
breaking down food
c)
chewing
d)
adding food
102.
Taking in food through the mouth is called
a)
Ingestion
b)
Digestion
c)
Absorption
d)
Dissection
103.
The rectum does what?
a)
Takes out the waste
b)
Just leave it in there
104.
Muscular tube that connects the mouth to the stomach
a)
Epiglottis
b)
Peristalsis
c)
Stomach
d)
Esophagus
105.
What are the main parts of the digestive system 
a)
stomach, small and large intestine
b)
mouth,stomach,esophagus,large and small intestine, and rectum
c)
stomach, lungs, trachea, rectum
d)
large and small intestine, trachea, stomach, mouth
106.
What breaks down food in stomach?
a)

enzymes

b)
salivary glands
c)
movement 
d)
time
107.
What does the mouth do?
a)
Break down the food to make it easier to swallow
b)
Slows down jaws
c)
Nothing
d)
Neither
108.

What part of the digestive system is highlighted? (the end)

a)

Anus

b)

Rectum

c)

Colon

d)

Appendix

109.

What part of the digestive system is highlighted?

a)

Anus

b)

Appendix

c)

Gall Bladder

d)

Pancreas

110.

What part of the digestive system is highlighted?

a)

Esophagus

b)

Appendix

c)

Small Intestine

d)

Stomach

111.

What part of the digestive system is highlighted?

a)

Gall Bladder

b)

Small intestine

c)

Pancreas

d)

Liver

112.

What part of the digestive system is highlighted?

a)

Small intestine

b)

Large intestine

c)

Stomach

d)

Liver

113.

What part of the digestive system is highlighted?

a)

Stomach

b)

Pancreas

c)

Liver

d)

Gall bladder

114.

What part of the digestive system is highlighted?

a)

Esophagus

b)

Stomach

c)

Salivary glands

d)

Mouth

115.

What part of the digestive system is highlighted?

a)

Pancreas

b)

Gall Bladder

c)

Stomach

d)

Liver

116.

What part of the digestive system is highlighted?

a)

Anus

b)

Rectum

c)

Large Intestine

d)

Small intestine

117.

What part of the digestive system is highlighted?

a)

Mouth

b)

Esophagus

c)

Salivary Glands

d)

Stomach

118.

What part of the digestive system is highlighted?

a)

Large intestine

b)

Small intestine

c)

Stomach

d)

Appendix

119.

What part of the digestive system is highlighted?

a)

Small Intestine

b)

Large intestine

c)

Stomach

d)

Liver

120.
1
a)
Mouth 
b)
Salivary Glands
c)
Esophagus
d)
Stomach
121.
2
a)
Mouth 
b)
Salivary Glands
c)
Small Intestine
d)
Rectum
122.
3
a)
Esophagus
b)
Salivary Glands
c)
Stomach
d)
Pancreas
123.
4
a)
Gallbladder
b)
Liver
c)
Stomach
d)
Pancreas
124.
5
a)
Stomach
b)
Small Intestine
c)
Large intestine
d)
Rectum
125.
6
a)
Stomach
b)
Small Intestine
c)
Large intestine
d)
Rectum
126.
7
a)
Anus
b)
Small Intestine
c)
Large intestine
d)
Rectum
127.
8
a)
Liver
b)
Gallbladder
c)
Appendix
d)
Pancreas
128.
9
a)
Stomach
b)
Small Intestine
c)
Large Intestine
d)
Rectum
129.
10
a)
Stomach
b)
Liver
c)
Gallbladder
d)
Pancreas
130.
11
a)
Stomach
b)
Liver
c)
Gallbladder
d)
Pancreas
131.
What does mucus do?
a)
Digests food in the mouth.
b)
Digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
132.
What do the villi do?
a)
Digests food in the mouth.
b)
Digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
133.
What does saliva do?
a)
Chemically digests food in the mouth.
b)
Chemically digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
134.
What does stomach acid do?
a)
Chemically digests food in the mouth.
b)
Chemically digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
135.
Where does digestion begin?
a)
Mouth
b)
Esophagus
c)
Stomach
d)
Small Intestine
136.
What organ makes bile?
a)
Gallbladder
b)
Liver
c)
Pancreas
d)
Appendix
137.
What parts of the digestive system help with mechanical digestions?
a)
Esophagus and Small Intestine
b)
Mouth and Stomach
c)
Liver and Gallbladder
d)
Rectum and Anus
138.
Why do we eat food?
a)
To keep our stomachs full
b)
To put oxygen into the body cells
c)
To get nutrients and energy
d)
To make waste products
139.
Which of the following is an accessory organ?
a)
Stomach
b)
Small Intesting
c)
Liver
d)
Large Intestine
140.

Which is the esophagus?

a)

A

b)

B

c)

C

d)

D

141.

Which parts of the diagram is the small and large intestine?

a)

A~ small intestine

E~ large intestine

b)

D~ small intestine

E~ large intestine

c)

C~ large intestine

B~ small intestine

d)

A~ large intestine

C~ small intestine

e)

E~ small intestine

D~ large intestine

142.

Where does the digestive system start?

a)

The liver

b)

The throat

c)

The stomach

d)

The mouth

143.

What part(s) of the digestive system mechanically and chemically break(s) down food?

a)

mouth

b)

stomach

c)

both the mouth and stomach

d)

small intestine

144.

What chemically breaks down food into smaller molecules?

a)

teeth

b)

muscles of the stomach

c)

enzymes

d)

peristalsis

145.

What are the rhythmic muscular contractions of your esophagus called to help food move along?

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

146.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

147.
What are the main parts of the digestive system 
a)
stomach, small and large intestine
b)
mouth,stomach,esophagus,large and small intestine, and rectum
c)
stomach, lungs, trachea, rectum
d)
large and small intestine, trachea, stomach, mouth
148.
A long folded tube inside the body attached to the stomach where nutrients in the food are absorbed.
a)
large intestine
b)
small intestine
c)
esophagus
d)
rectum
149.

Provides additional enzymes (pancreatic juice) to help nutrients get absorbed by the small intestine.

a)

liver

b)

kidneys

c)

gall bladder

d)

pancreas

150.

The tube after the small intestine where water is absorbed.

a)

large intestine

b)

small intestine

c)

rectum

d)

stomach

151.

A large organ of the digestive system that makes chemicals (bile) to help the body break down fats and rid itself of harmful substances.

a)

esophagus

b)

mouth

c)

liver

d)

stomach

152.
The place where waste is stored before it leaves the body.
a)
rectum
b)
anus
c)
small intestine
d)
large intestine
153.

Which digestive system organ is this?

a)

pancreas

b)

esophagus

c)

stomach

d)

liver

154.

What is the main function of the (hilly) villi?

a)

They move food from the stomach to the small intestine

b)

They absorb nutrients into the bloodstream

c)

They absorb water from chyme

d)

They move food from the small intestine to the large intestine

155.

Place the following events in sequence:

A) Food enters your large intestines

B) Food enters your small intestines

C) Food enters your esophagus

a)

A, B, C

b)

C, B, A

c)

C, A, B

d)

B, A, C

156.

Chewing is an example of what type of digestion?

a)

Dental

b)

Fragmentary

c)

Chemical

d)

Mechanical

157.
Where does the digestion of starch begin?
a)
esophagus
b)
small intestine
c)
stomach
d)
mouth
158.

Which organ prevents food from entering the windpipe?

a)

The uvala

b)

The tongue

c)

The trachea

d)

The epiglottis

159.

The partly-digested food in the stomach leaves to enter

a)

The gullet

b)

The appendix

c)

The small intestine

d)

The large intestine

160.

What is the main organ of the circulatory system?

a)

small intestine

b)

bone

c)

lungs

d)

heart

161.
How many types of blood vessels are in our body?
a)
1
b)
2
c)
3
d)
4
162.

Veins carry oxygen poor blood back to the heart.

a)

False

b)

True

163.

Arteries carry oxygen rich blood away from the heart.

a)

True

b)

False

164.

The job of the heart is to . . .

a)

pump blood around the body.

b)

send food to the small intestines.

c)

break down food.

d)

give energy to the body.

165.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
166.
______________ are the second largest blood vessel. 
a)
Arteries
b)
Veins
c)
Capillaries
167.
The circulatory system works with the ___________ system to provide our body with oxygen.
a)
respiratory
b)
digestive
c)
muscular
d)
skeletal
168.
The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 
a)
respiratory 
b)
digestive
c)
skeletal
d)
nervous
169.
The heart has ___ chambers.
a)
1
b)
2
c)
3
d)
4
170.
What does Deoxygenated mean?
a)
Oxygen-rich
b)
Blood flow
c)
Oxygen-poor
d)
Water Flow
171.
Which is the correct definition of the Circulatory system?
a)
The system fights disease so the body stays healthy.
b)
The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
c)
Breaks down food into smaller pieces and absorbs those nutrients into the body.
d)
Provides shape and structure for the body.
172.
What function does the heart do?
a)
Protects organs and produces red blood cells.
b)
Generates heat.
c)
Breaks down food into nutrients.
d)
The heart is a pump, which moves the blood. The arteries and veins are the pipes where the blood flows.
173.
arteries, veins, and capillaries are three types of __________
a)
heart valves
b)
blood vessels
c)
cells
d)
veins
174.
What is the Circulatory System also known as?
a)
The heart
b)
Cardiovascular System
c)
Nervous System
d)
Aorta
175.
What do Red-Blood cells do?
a)
Carry oxygen from the lungs to the body cells and  transport carbon dioxide from the cells back to the lungs
b)
keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
c)
Collects  blood from the capillaries and drain it into the veins
d)
Bring nutriients to the cells and carries away waste materials.
176.
What does blood do?
a)
Carries Water to cells
b)
Carries Oxygen to cells
c)
Carries Food to cells
d)
All of the above 
177.
What is the heart ? 
a)
meaty organ 
b)
a small metal spike with a broadened flat head,
c)
organ of soft nervous tissue 
d)
muscular organ
178.
What does the circulatory system do? 
a)
pumps blood through the whole body 
b)
pumps blood to the brain 
c)
pumps blood to the lungs
d)
pumps blood
179.
Carbon dioxide is considered a _________________
a)
food
b)
waste
c)
energy
d)
fun party favor
180.

What does your heart do?

a)

pumps blood through your body

b)

protects your body

c)

helps your exercize

181.

Your heart is about the size of your __________.

a)

mouth

b)

fist

c)

show

182.

Blood carries ____________ to the heart.

a)

vitamins

b)

germs

c)

oxygen

183.

Your heart pumps blood throughout your entire body through little tubes called _____________.

a)

veins

b)

arteries

c)

hoses

184.

Blood is carried back to your heart in little tubes called ____________.

a)

veins

b)

arteries

c)

hoses

185.

What does circulate mean?

a)

pump blood

b)

beat quickly

c)

go around and around

186.

You can feel your heart beating when you feel your _____________.

a)

pulse

b)

breathing

c)

stomach growling

187.

Your heart is a _____________.

a)

tube

b)

muscle

c)

vein

188.

Which is NOT a way to exercise your heart?

a)

Running

b)

Sitting on the couch

c)

Swimming

189.

Which is a good way to keep your heart healthy?

a)

Eating healthy foods

b)

Playing video games

c)

Eating greasy foods

190.

Which describes all the parts of the circulatory system?

a)

heart, lungs, stomach, muscles

b)

heart, blood, arteries, and veins

c)

bones, skin, hair

191.

The circulatory system consists of what three parts?

a)

Heart

b)

Brain

c)

Blood

d)

Blood vessels

e)

Liver

192.

Blood vessels that carry blood away from the heart.

a)

Veins

b)

Capillaries

c)

Arteries

193.

The (a)   is the largest artery in the body.

194.

Your heart rate, or pulse, is the number of times your heart beats per (a)   .

195.

These blood vessels help fight infection and other diseases.

a)

Red Blood Cells

b)

White Blood Cells

c)

Platelets

d)

Plasma

196.

(a)   is the liquid part of blood.

197.

(a)   help form clots to stop bleeding.

198.

Blood vessels that carry blood to the heart.

a)

Veins

b)

Arteries

c)

Capillaries

199.

The upper part of the heart is made up of two chambers called what?

a)

Ventricles

b)

Atria

200.

(a)   are the tiniest blood vessels.

201.

The bottom part of the heart is divided into two chambers called what?

a)

Ventricles

b)

Atria

202.

These blood cells carry oxygen from the lungs to all parts of the body.

a)

White Blood Cells

b)

Red Blood Cells

c)

Platelets

d)

Plasma

203.

The smallest blood vessels that ensure oxygen and nutrients are delivered to the body's cells.

a)

Capillaries

b)

Arteries

c)

Veins

204.

About how many times does your heart beat per minute?

a)

20-60

b)

40-80

c)

60-100

d)

80-120

205.

This occurs when blood flow to part of the heart is blocked.

a)

Heart attack

b)

Stroke

c)

Arrhythmia

206.

Type of circulation that refers to blood flow from the heart to the lungs and back to the heart again?

a)

Systemic circulation

b)

Renal circulation

c)

Portal circulation

d)

Pulmonary circulation

207.

Type of circulation that refers to the blood flowing through the entire body?

a)

Systemic circulation

b)

Renal circulation

c)

Portal circulation

d)

Pulmonary circulation

208.

The contraction/emptying phase of the cardiac cycle?

a)

Systole

b)

Diastole

209.

The relaxing/filling stage of the cardiac cycle?

a)

Systole

b)

Diastole

210.

The relaxing/filling stage of the cardiac cycle?

a)

Systole

b)

Diastole

211.

Coronary arteries...

a)

supply the heart muscle cells with a supply of blood.

b)

supply the brain cells with a supply of blood.

c)

contain deoxygenated blood.

d)

when clogged, cause a stroke.

212.

The type of blood vessel that normally carries de-oxygenated blood back to the heart from body cells?

a)

arteries

b)

capillaries

c)

veins

213.

The type of blood vessel that normally carries oxygenated blood from the heart to the body cells?

a)

arteries

b)

capillaries

c)

veins

214.

The type of blood vessel where exchange of gases, nutrients, and wastes occurs?

a)

arteries

b)

capillaries

c)

veins

215.

An abnormal widening/ballooning of a portion of an artery.

a)

aneurysm

b)

embolism

c)

thrombosis

d)

atherosclerosis

216.

A blood clot that travels through the circulatory system and eventually becomes lodged within a blood vessel?

a)

aneurysm

b)

embolism

c)

thrombosis

d)

atherosclerosis

217.

Type of device that measures the electrical currents created by the SA and AV nodes?

a)

AED

b)

MRI

c)

ECG

d)

CAT Scan

218.

The main vein(s) that brings blood to the right atrium?

a)

Aorta

b)

Pulmonary veins

c)

Superior and Inferior vena cava

d)

Jugular vein

219.

Which choice below correctly identifies the layers of the heart from the most outer layer to the most inner layer?

a)

epicardium, myocardium, endocardium

b)

endocardium, myocardium, epicardium

c)

myocardium, endocardium, epicardium

d)

myocardium, epicardium, endocardium

220.

The sac that surrounds and protects the heart?

a)

endocardium

b)

epicardium

c)

myocardium

d)

pericardium

221.

Instrument used to measure blood pressure?

a)

AED

b)

ECG

c)

Sphygmomanometer

d)

ultrasound

222.

Name part N.

a)

Right atrium

b)

left atrium

c)

right ventricle

d)

left ventricle

223.

Name part I.

a)

pericardium

b)

mediastinum

c)

septum

d)

unknownum

224.

Name part A.

a)

Pulmonary artery

b)

Pulmonary vein

c)

Superior vena cava

d)

Aorta

225.

Name part B.

a)

Pulmonary arteries

b)

Pulmonary veins

c)

Superior Vena cava

d)

Aorta

226.

Name part M.

a)

Tricuspid valve

b)

Semilunar valve

c)

Bicuspid valve

d)

Mitral valve

227.

In which of the following scenarios does blood have the highest oxygen level?

a)

Blood enters the left atrium to left ventricle to aorta

b)

Blood flows through the body by arteries and then to capillaries

c)

Food, nutrients, and oxygen are delivered by diffusion

d)

Blood returns to the heart through the inferior vena cava and into the right atrium

228.

In which of the following scenarios does blood have the lowest oxygen level?

a)

Blood enters the left atrium to left ventricle to aorta

b)

Blood flows through the body by arteries and then to capillaries

c)

Food, nutrients, and oxygen are delivered by diffusion

d)

Blood returns to the heart through the inferior vena cava and into the right atrium

229.

Arteries

a)

Carry blood low in oxygen

b)

Carry blood rich in oxygen

c)

only place diffusion can occur

230.

Veins

a)

only place diffusion can occur

b)

carry oxygen rich blood

c)

carry deoxygenated blood

231.

Capillaries

a)

only blood vessel where diffusion can occur

b)

carry oxygenated blood

c)

carry blood low in oxygen

232.

Select all of the following that are TRUE about red blood cells

a)

having too few red blood cells can cause anemia

b)

donut shaped

c)

contain hemoglobin

d)

fight infection

e)

live approximately 120 days

233.

Select all of the following that are TRUE about white blood cells

a)

fight infection

b)

donut shaped

c)

referred to as macrophage

d)

ingest dead cells

e)

when too many are produced it can cause leukemia

234.

Select all of the following that are TRUE about platelets

a)

clot blood

b)

when there are not enough it can cause hemophilia

c)

referred to as macrophage

d)

live 5-9 days

e)

irregular shape

235.
This is a tube about 12cm long with c-shaped rings of cartilage to keep it open
a)
Nasal cavity
b)
Trachea
c)
Mouth Cavity
d)
Pharynx
236.
Two short tubes that carry air into the lungs
a)
Trachea
b)
Bronchioles
c)
Lungs
d)
Bronchi
237.
Clusters of tiny air sacs that allow the exchange of oxygen and carbon dioxide
a)
Pharynx
b)
Diaphragm
c)
Alveoli
d)
Lungs
238.
Lung volume might vary because of
a)
Activity level
b)
All of these
c)
Smoking
d)
Asthma
239.
When bronchial tubes are irritated and swell (causing excessive coughing)
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Emphysema
240.
When alveoli in the lungs enlarge and cant push oxygen to the blood
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Emphysema
241.
Muscular structure that helps to expand and contract the lungs, forcing air in and out
a)
Pharynx
b)
Nasal cavity
c)
Alveoli
d)
Diaphragm
242.
Smaller tubes within the lungs
a)
Bronchioles
b)
Bronchi
c)
Lungs
d)
Alveoli
243.
This is a tube-like pasage used for food, liquid, and air
a)
Larynx
b)
Trachea
c)
Pharynx
d)
Lungs
244.
Passage way that moistens the air and has hairs to trap dust and particles
a)
Nasal cavity
b)
Bronchi
c)
Mouth cavity
d)
Larynx
245.
What is the function of the respiratory system
a)
Take in O2 only
b)
Remove CO2 only
c)
Take in O2 ad remove CO2
d)
Make sugar
246.
Made up of spongy, elastic tissue that stretches as you breathe
a)
Alveoli
b)
Lungs
c)
Nasal Cavity
d)
Pharynx
247.
This is the airway that has two pairs of vocal chords attached to it
a)
Lungs
b)
Diaphragm
c)
Pharynx
d)
Larynx
248.
Bronchial tubes contract quickly causing shortness of breath, coughing, and wheezing
a)
Bronchitis
b)
Emphysema
c)
Lung cancer
d)
Asthma
249.
Caused by inhaling tar in cigarrette smoke
a)
Bronchitis
b)
Lung cancer
c)
Asthma
d)
Respiratory infections
250.
Alveoli increase the surface area in the lungs to allow...
a)
More nutrients to be absorbed
b)
You to breathe faster
c)
You to breathe slower
d)
More O2 and CO2 to exchange
251.
Part of the throat that contains the tonsils
a)
Trachea
b)
Pharynx
c)
Larynx
d)
Bronchi
252.
Membrane layer which covers the lungs
a)
Visceral pleura
b)
Alveolar Ducts
c)
Alveoli
d)
Bronchi
253.
Illness of the lungs where the alveoli become inflamed and filled with fluid
a)
Lung cancer
b)
Bronchitis
c)
Pneumonia
d)
Emphysema
254.
Small commpartment that divides the lungs into sections
a)
Visceral pleura
b)
Alveolar ducts
c)
Lobules
d)
Bronchi
255.

What is the main function of the respiratory system?

a)

to provide oxygen and remove carbon dioxide from the body

b)

o break down food and absorb nutrients

c)

to remove oxygen from the body and deliver carbon dioxide

256.

What are the main organs of the respiratory system that allow us to breathe and for gas exchange to happen?

a)

diapragm

b)

lungs

c)

trachea

257.

What is function of the dome-shaped diaphragm muscle?

a)

This is where gas exchange happens.

b)

Air passes through the diaphragm on the way to the lungs.

c)

It attaches to the lungs and contracts and relaxes to help in breathing.

258.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
259.
What is the function of the bronchi?
a)
Transport air from nose to lungs
b)
Transport air from trachea to lungs
c)
Transport air from lungs to alveoli
d)
Transport air from alveoli to blood