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SCIENCE

Total questions: 120

Worksheet time: 4hrs 46mins

Name
Class
Date
1.

What is science?

a)
Science is a belief system
b)
Science is based on superstitions
c)
Science is a form of art
d)
Science is a systematic enterprise that builds and organizes knowledge in the form of testable explanations and predictions about the universe.
2.

Skeletal System: What part of the skeletal system protects the brain?

a)

spine

b)

ribs

c)

sternum

d)

skull

3.

Skeletal System:What part of the skeletal system protects the heart and lungs?

a)

thorax

b)

skull

c)

spine

d)

muscles

4.

Skeletal System: Bones store materials such as fat, _____________ and other minerals for later use.

a)

heart

b)

calcium

c)

lungs

d)

iron

5.

Skeletal System: Larger bones of the skeletal system contain bone ___________.

a)

oxygen

b)

heart

c)

skull

d)

marrow

6.

Skeletal System: The skeletal system provides a ______________ and attachment point for muscles, tendons, ligaments, skin and organs.

a)

framework

b)

leg

c)

skull

d)

marrow

7.

Skeletal System: What bone in the legs bears the weight of the upper body?

a)

tibia

b)

humerus

c)

femur

d)

spine

8.

Skeletal System: The spinal column makes the body straight and supports the _______.

a)

heart

b)

thorax

c)

marrow

d)

head

9.

Skeletal System: The skeletal system provides a framework for __________ to attach.

a)

lungs

b)

muscles

c)

femur

d)

weight

10.

Skeletal System: What type of joint at the knee enables it to move back and forth?

a)

hinge

b)

ball and socket

c)

screw

d)

lever

11.

Skeletal System: What type of joint does the hip have?

a)

lever

b)

hinge

c)

ball and socket

d)

none of the above

12.

Circulatory System: Veins are blood ________ that transport blood from various regions of the body back to the heart.

a)

vessels

b)

oxygen

c)

waste

d)

ventricles

13.

Circulatory System: The Superior ________ ________ is a vein that carries deoxygenated blood from the upper half of the body.

a)

Vena Cava

b)

Aorta

c)

ventricles

d)

deoxygenated vessels

14.

Circulatory System: Arteries are blood _____.

a)

bones

b)

waste

c)

muscles

d)

vessels

15.

Circulatory System: What is the largest artery in the body?

a)

Aorta

b)

ventricle

c)

Superior Vena Cava

d)

atria

16.

Circulatory System: The Aorta passes over the _____ from its left ventricle and runs down the center of the body in front of the backbone.

a)

skull

b)

feet

c)

brain

d)

heart

17.

Circulatory System: The heart is a __________ pump that circulates blood throughout the body.

a)

muscular

b)

skeletal

c)

circular

d)

deoxygenated

18.

Circulatory System: Select ALL of the materials below that are carried in blood.

a)

oxygen

b)

glucose

c)

waste

d)

carbon dioxide

19.

Circulatory System: Capillaries are _____, thin blood vessels that are found throughout the body.

a)

large

b)

body

c)

small

d)

heart

20.

Circulatory System: Where are capillaries found?

a)

all throughout the body

b)

only in the feet

c)

only in the brain

d)

only in the heart

21.

Circulatory System: Select ALL the things capillaries do?

a)

deliver nutrients and oxygen to tissues

b)

remove waste created during cellular processes

c)

pump blood all throughout the body

d)

none of the above

22.

Respiratory System: What is the main external opening for the respiratory system?

a)

nose

b)

lungs

c)

windpipe

d)

heart

23.

Respiratory System: What enters and exits the body?

a)

air

b)

blood

c)

bronchi

d)

muscle

24.

Respiratory System: What are the main passageways into the lungs?

a)

alveoli

b)

hiccups

c)

windpipe

d)

bronchi

25.

Respiratory System: What is the trachea also known as?

a)

cartilage

b)

lungs

c)

windpipe

d)

mouth

26.

Respiratory System: The diaphragm is the most important __________ in the respiratory system.

a)

bronchi

b)

trachea

c)

muscle

d)

oxygen

27.

Respiratory System: The trachea is made of rings of ________.

a)

cartilage

b)

oxygen

c)

hiccups

d)

lungs

28.

Respiratory System: What is the primary organ in the respiratory system?

a)

heart

b)

lungs

c)

kidneys

d)

liver

29.

Respiratory System: Our lungs take in ________ and expel carbon dioxide.

a)

oxygen

b)

bronchioles

c)

carbon dioxide

d)

blood

30.

Respiratory System: The alveoli are tiny _________ in the lungs that allow oxygen and carbon dioxide to move between the lungs and the bloodstream.

a)

bronchi

b)

air

c)

hiccups

d)

sacs

31.

Respiratory System: Spasms of the diaphragm cause ___________.

a)

cough

b)

air

c)

hiccups

d)

breathing

32.
The job of the red blood cell is to
a)
fight infection
b)
deliver oxygen and discard carbon dioxide
c)
form scabs
33.
The four parts of the blood are
a)
plasma, platelets, red blood cells, white blood cells
b)
plasma, blue blood cells, white blood cells, red blood cells
c)
ventricle, atrium, vein, artery
34.
The air sacs in the lungs are called
a)
bronci
b)
lasagne
c)
alveoli
35.
The main branches that lead from the trachea to the lungs are called
a)
bronchioles
b)
bronchial tubes
c)
bronchi
36.
The heart has how many chambers (rooms)?
a)
four
b)
three
c)
two
37.
Arteries carry blood _________ from the heart.
a)
to
b)
away
38.
Capillaries connect veins to
a)
other capillaries
b)
veins
c)
arteries
39.
The right side of the heart sends blood to the 
a)
body
b)
lungs
40.
Your pulse tells how fast your ___________ is beating.
a)
heart
b)
lungs
41.
The left side of the heart sends blood out of the heart to 
a)
your lungs
b)
the rest of your body
42.
There are fewer white blood cells than red blood cells.
a)
true
b)
false
43.
White blood cells 
a)
carry oxygen and get rid of carbon dioxide
b)
form scabs
c)
fight disease
44.
You have ____________lungs and _________heart(s),
a)
two, one
b)
two, two
c)
one, one
45.
The tube that is in your throat that is part of the respiratory system is called the
a)
esophagus
b)
trachea
c)
bronchial tube
46.
The more physically active you are, the more your body needs
a)
carbon dioxide
b)
oxygen
c)
hydrogen
47.

This organ is the...

a)

lung

b)

heart

c)

blood vessel

d)

trachea

48.

These are the...

a)

heart

b)

blood vessels

c)

lungs

d)

trachea

49.

This is the...

a)

heart

b)

lung

c)

blood vessel

d)

trachea

50.

These are the...

a)

alveoli

b)

lungs

c)

heart

d)

blood

51.

These are the...

a)

trachea

b)

bronchi

c)

heart

d)

alveoli

52.

The nose...

a)

warms the air and the little hairs clean it.

b)

exchanges oxygen and carbon dioxide.

c)

pumps the blood.

53.

These are the...

a)

heart

b)

blood vessels

c)

lungs

d)

bronchi

54.

The blood...

a)

carries oxygen and nutrients around the body.

b)

is like a tube.

c)

pumps the blood to every part of the body.

d)

exchange oxygen and carbon dioxide.

55.

Blood vessels...

a)

are like tubes that carry blood.

b)

pump the blood.

c)

exchange oxygen and carbon dioxide.

d)

take the air from the nose to the lungs.

56.

The lungs...

a)

are like big sacks.

b)

pump blood to every part of the body.

c)

are like tubes that carry blood.

d)

carries oxygen and nutrientes around the vody.

57.

Our cells need.................. to work.

a)

food and shelter

b)

oxygen and nutrients

c)

breakfast and pasta

d)

hugs and kisses

58.

The trachea...

a)

is a tube that takes the air from the nose to the bronchi.

b)

takes the blood to every part of the body.

c)

is a little sack.

59.

The alveoli...

a)

carry blood around the body.

b)

take the air from the nose to the lungs.

c)

exchange oxygen and carbon dioxide.

d)

is a muscle that pumps blood.

60.

When we rest or sleep, our heart beats...

a)

faster

b)

slower

61.

The purpose of the this body system is to break down the food that you eat. Your body absorbs nutrients from healthy food to help you grow and stay strong.

a)

digestive system

b)

muscular system

c)

circulatory system

d)

skeletal system

62.

The purpose of this body system is to move your body. It moves small muscles such as the ones that make your heart beat or eyes blink. It also moves large muscles such as the ones in your back that help you to stand tall.

a)

digestive system

b)

muscular system

c)

circulatory system

d)

skeletal system

63.

The purpose of this body system is to give our bodies shape and strength and protect the organs that are on the inside. Without this body system, we would not be able to stand up!

a)

digestive system

b)

muscular system

c)

skeletal system

d)

circulatory system

64.

The purpose of this body system is to bring oxygen into your body. Breathing sends oxygen to all parts of your body. Breathing is necessary for humans and animals to live.

a)

digestive system

b)

respiratory system

c)

skeletal system

d)

muscular system

65.

This body system is like the body’s control center. It is the path that your brain uses to send and receive signals. These signals tell your body what to do and how to move.

a)

respiratory system

b)

muscular system

c)

nervous system

d)

circulatory system

66.

This body system is responsible for pumping blood to all the different areas of our bodies.

a)

digestive system

b)

muscular system

c)

skeletal system

d)

circulatory system

67.

Your heart is the main part of what body system?

a)

digestive system

b)

muscular system

c)

circulatory system

d)

skeletal system

68.

This body system is made up of 3 parts: brain, spinal cord and nerves.

a)

digestive system

b)

nervous system

c)

circulatory system

d)

skeletal system

69.

Your lungs are the main part of what body system?

a)

respiratory system

b)

muscular system

c)

circulatory system

d)

skeletal system

70.

Your skull, ribcage, and joints are the main parts of what body system?

a)

respiratory system

b)

muscular system

c)

circulatory system

d)

skeletal system

71.

Your stomach, small intestine, and large intestine are the main parts of what body system?

a)

respiratory system

b)

muscular system

c)

digestive system

d)

skeletal system

72.

Skeletal muscles, smooth muscles, and cardiac muscles are all part of what body system?

a)

respiratory system

b)

muscular system

c)

digestive system

d)

skeletal system

73.

The human body is a complex biological system involving cells, tissues, organs, and systems all working together to make up a human being.

a)

True

b)

False

74.

Your body couldn’t breathe without this system. Which one is it?

a)

Respiratory system

b)

Circulatory system

c)

Digestive system

75.

A dome shaped sheet of muscle, the _________, separates the chest from the abdomen

a)

diaphragm

b)

epiglottis

c)

alveoli

d)

bronchial tubes

76.
After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.
a)
mucus
b)
trachea
c)
larynx
d)
epiglottis
77.

The tubes that go from the trachea into the lungs

a)

alveoli

b)

diaphragm

c)

epiglottis

d)

bronchial tubes

78.

A flap of tissue that closes when we eat so food doesn't not go down the trachea

a)

larynx

b)

pharynx

c)

trachea

d)

epiglottis

79.

_______ is known as the voice box

a)

windpipe

b)

larynx

c)

pharynx

d)

epiglottis

80.

The gas known as _______ is needed to stay alive and properly.

a)

oxygen

b)

carbon dioxide

c)

nitrogen

d)

helium

81.
What is breathed out from our mouth and nose?
a)
carbon dioxide
b)
oxygen
c)
nitrogen
d)
helium
82.

What is the main bone structure that protects the lungs?

a)

Vertebrae

b)

Rib cage

c)

Skull

d)

Pelvis

83.
What is the main function of the respiratory system?
a)
to provide oxygen and remove carbon dioxide from the body
b)
to bring oxygen to the body
c)
to break down food and absorb nutrients
d)
to remove oxygen from the body and deliver carbon dioxide
84.
When you breathe, your lungs take in ___ and remove ___. 
a)
air/oxygen
b)
oxygen/carbon dioxide 
c)
carbon dioxide/waste 
d)
waste/air 
85.
Within the lungs, the exchange of oxygen and carbon dioxide occurs between the ___ and the capillaries. 
a)
trachea 
b)
bronchi 
c)
alveoli
d)
diaphragm
86.
The trachea leads to the...
a)
Bronchioles
b)
Bronchi
c)
Esophagus
d)
Pulmonary Vessel
87.

The process of ________ is when your diaphragm moves downward and your ribcage moves up and out.

a)

talking

b)

exhalation

c)

sleeping

d)

inhalation

88.

Which organs transport air? (More than one answer)

a)

Trachea

b)

Nasal Passages

c)

Pharynx

d)

Bronchioles

e)

Bronchi

89.

Which organ performs the function of speech and sound for our respiratory system?

a)

Pharynx

b)

Larynx

c)

Mouth

d)

Lungs

90.

What is the function of the bronchi?

a)

Transport air from nose to lungs

b)

Transport air from trachea to bronchioles

c)

Transport air from nose to alveoli

91.

What is the main bone structure that protects the lungs

a)

Vertebrae

b)

Rib cage

c)

Skull

d)

Cartilage

92.

Organ that contains alveoli, bronchioles, and bronchi.

a)

Diffuse

b)

Kidney

c)

Drake

d)

Lungs

93.

Tiny hairlike structures that is present in your nose and in the most other part of the respiratory system.

a)

larynx

b)

alveoli

c)

cilia

d)

diaphragm

94.

Which one is the skeletal system?

a)
b)
c)
d)
95.

Which one is the muscular system?

a)
b)
c)
d)
96.

Which one is the digestive system?

a)
b)
c)
d)
97.

Which of the following is NOT what the skeletal system does?

a)

Support our body

b)

Takes air into and removes air from our body

c)

Gives our body shape

d)

Protects the delicate organs in our body

98.

We have only one lung.

a)

True

b)

False

99.

This is the picture of our heart.

a)

True

b)

False

100.

________ protects our heart and lungs.

a)

Rib cage

b)

Skull

c)

Joints

d)

Backbone

101.

_____ system and _____ system working together to help us move.

a)

Digestive, skeletal

b)

Respiratory, muscular

c)

Circulatory, digestive

d)

Skeletal, muscular

102.

_____ system is made up of the heart, blood vessels, and blood.

a)

Digestive

b)

Respiratory

c)

Circulatory

d)

Muscular

103.

Working out makes our ______ stronger.

a)

intestine

b)

muscle

c)

mouth

d)

muscular

104.

Which organ system is directly affected when there is haze?

a)

Skeletal system

b)

Muscular system

c)

Respiratory system

d)

Circulatory system

105.

The windpipe belongs to the respiratory system.

a)

True

b)

False

106.

In which organ systems that we can find the lungs?

a)

circulatory system

b)

skeletal system

c)

respiratory system

d)

muscular system

107.

When we have cold, which organ systems that affected?

a)

circulatory system

b)

muscular system

c)

skeletal system

d)

respiratory system

108.

Our bones are connected by _________.

a)

Skull

b)

Ribs

c)

Joints

d)

Backbone

109.
The air I breathe in goes down my trachea to my ______?
a)
Heart
b)
Lungs
c)
Brain
d)
Stomach
110.

What is the most important job of the muscular system?

a)

To help you move

b)

To give your body shape and protect your organs

c)

To break down food

d)

To help you breathe

111.

What is the function of large intestine in our digestive system?

a)

It absorbs digested food

b)

It produces digestive juices

c)

It removes water from the undigested food

d)

It breaks down food into simpler substances

112.

The picture above represents which system?

a)

Skeletal

b)

Circulatory

c)

Digestive

d)

Respiratory

113.

Digestion does not occur in the _______________.

a)

mouth

b)

gullet

c)

stomach

d)

small intestine

114.

The food I eat goes down my gullet to my __________.

a)

Bladder

b)

Kidney

c)

Stomach

d)

Big Toe

115.

My small ___________ breaks down the food so my body can use it for energy.

a)

intestine

b)

kidneys

c)

stomach

d)

bladder

116.

What are the advantages of having a long small intestine?

A: This provides more time for digestion of food

B: This provides more time for absorption of food into the bloodstream

C: This provide more time for the absorption of water from the undigested food

a)

A and B only

b)

A and C only

c)

B and C only

d)

A, B and C

117.

Which one of our body systems consists of the lungs?

a)

Respiratory

b)

Circulatory

c)

Muscular

d)

Skeletal

118.

There are many capillaries in the wall of the small intestine. These capillaries have walls that are only one-cell thick.

Why is it important for these capillaries to have very thin walls?

a)

This is to carry digestive juices to other digestive organs.

b)

This allows undigested food to enter the large intestine.

c)

This allows digestive juices to get into the blood easily.

d)

This allows the digested food to pass through their thin walls easily.

119.
My heart is a _________, that pumps blood through the body. 
a)
Cell
b)
Tissue
c)
Muscle
d)
Bone
120.

What will happen if the small intestine of a patient has to be removed?

a)

All kinds of food will be digested.

b)

All kinds of food will not be stored temporarily

c)

Watery waste will be passed out.

d)

More food will not be digested and the digested food will not be absorbed into the bloodstream.

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