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Human Body

Total questions: 126

Worksheet time: 2hrs 44mins

Name
Class
Date
1.

Your heart, liver and lungs are protected by what bones:

a)

sternum and ribs

b)

tendon and joint

c)

cartilage and vertebrae

d)

skull and mandible

2.
The layer of the skin that covers and protects your body. 
a)
epidermis
b)
dermis
c)
hypodermis
3.

What is the largest organ on your body?

a)

heart

b)

lungs

c)

skin

d)

stomach

4.
When you eat, I mix your food with chemicals made by your body, then I churn up your food into smaller parts.  What am I?
a)
small intestines
b)
large intestines
c)
liver
d)
stomach
5.

Your heart, liver and lungs are protected by what bones:

a)

sternum and ribs

b)

tendon and joint

c)

cartilage and vertebrae

d)

skull and mandible

6.
The thick muscles that make up the heart are the: 
a)
smooth muscles
b)
cardiac muscles
c)
skeletal muscles
7.
The layer of the skin that covers and protects your body. 
a)
epidermis
b)
dermis
c)
hypodermis
8.

How many bones does an adult have?

a)

106

b)

206

c)

600

9.

What is the largest organ on your body?

a)

heart

b)

lungs

c)

skin

d)

stomach

10.

What bones protect your brain?

a)

deltoid

b)

skull

c)

sternum

d)

femur

11.

What are the main jobs of the skeletal system?

a)

Support, protection, and movement of the body

b)

Digest food

c)

Get rid of waste in the body

d)

Sense changes in the environment

12.
When you eat, I mix your food with chemicals made by your body, then I churn up your food into smaller parts.  What am I?
a)
small intestines
b)
large intestines
c)
liver
d)
stomach
13.
Your body can't use every part of the food you eat. The waste comes to me , and I dry it out so it can leave your body. What am I?
a)
kidneys
b)
small intestines
c)
large intestines
d)
liver
14.
We are a pair of filters that clean you blood.  We take liquid waste from your bloodstream and we send it down to your bladder. What are we?
a)
lungs
b)
liver
c)
kidneys
d)
arteries
15.
We take oxygen that your body needs from the air and put it in your blood and send it out of your body. What are we?
a)
lungs
b)
heart
c)
liver
d)
veins
16.
I hold your body parts in.  I have pores so sweat can escape your body.  I am filled with nerves that help you sense temperature and feel the things around you. What am I?
a)
skin
b)
bones
c)
heart
d)
muscles
17.
I control your muscles and all of the organs in your body.  I make sure you breathe automatically, ensure your heart beats properly, and remind you to blink your eyes. I even hold all of your thoughts and memories. What am I?
a)
muschles
b)
brain
c)
arteries
d)
veins
18.
We give your body support and structure. We also protect your delicate organs, like your brain, liver, and lungs. We are filled with a substance called marrow. What are we?
a)
muscles
b)
skin
c)
bones
d)
veins
19.
We are blood vessels that send blood back towards your heart. Most of the blood we carry doesn't have much oxygen left in it. What are we?
a)
veins
b)
esophagus
c)
lungs
d)
kidneys
20.
We are blood vessels that send blood away from your heart to all different parts of your body. We have thicker, stronger walls than veins. What are we?
a)
veins
b)
trachea
c)
arteries
d)
esophagus
21.
I am sometimes called your "windpipe." When you breathe air travels through me to your lungs. What am I?
a)
esophagus
b)
trachea
c)
arteries
d)
veins
22.
We work in pairs to pull your bones in different directions.  We also help move food and blood through your body. Without us, you'd wouldn't be able to move at all. What are we?
a)
skin
b)
bones
c)
muscles
d)
kidneys
23.
I am a tube in your throat. When you swallow, food, or drink travels down through me into your stomach. What am I?
a)
trachea
b)
stomach
c)
small intestines
d)
esophagus
24.
What kind of information can be sent through the nervous system?
a)
hearing a fire alarm
b)
feeling a sharp pencil tip
c)
smelling pancakes or bacon
d)
all of the above and much more
25.
What are some major parts of the digestive system?
a)
kidneys, liver, bladder, and skin
b)
brain, spinal cord, and nerves
c)
mouth, stomach, large intestine, small intestine
d)
heart, arteries, and veins
26.
Which body system lets you breathe oxygen in and carbon dioxide out?
a)
respiratory system
b)
circulatory system
c)
excretory system
d)
none of the above
27.
Which body system helps you remove waste products from your body that you do not need?
a)
muscular system
b)
excretory system
c)
skeletal system
d)
none of the above
28.
Which statement about body systems is true?
a)
Your body is made up of exactly seven systems.
b)
The skeletal system is more important than any other body system.
c)
All of your body systems must work together to keep you healthy.
d)
Each of your body systems works by itself to keep you healthy.
29.
What are kidneys?
a)
curvy shapes that look like a human ear
b)
a pair of respiratory organs used for breathing
c)
red beans often used in chili and salads
d)
a pair of excretory organs that filter waste products from blood
30.
What makes the human body most similar to a busy city?
a)
Both have a lot of movement, lights, and noise.
b)
Both are found in every part of the world.
c)
Both have many systems and many things that keep moving all of the time.
d)
Both have circulatory and muscular systems.
31.
What is a way to keep your body healthy?
a)
watch lots of tv
b)
eat junk food
c)
get plenty of exercise
d)
singing a song
32.

Which organ does pump blood in all the body?

a)

liver

b)

brain

c)

heart

d)

stomach

33.

Which human system do you see in the image?

a)

digestive system

b)

respiratory system

c)

circulatory system

d)

nervous system

34.

Which type of waste is removed by the respiratory system?

a)

carbon dioxide

b)

bile

c)

urine

d)

amino acids

35.

Red blood cells are made in the?

a)

heart

b)

bone marrow

c)

kidneys

d)

brain

36.

Which of the following is carried by a red blood cell throughout the body?

a)

Glucose

b)

Carbon Dioxide

c)

Oxygen

d)

Both Carbon Dioxide AND Oxygen

37.

The average size of an adult heart is about the size of a:

a)

fist

b)

foot

c)

grapefruit

d)

kidney bean

38.
How many bones are in the human body?
a)
200
b)
602
c)
206
d)
106
39.
What connects bones to each other?
a)
Tendons
b)
Muscles
c)
String
d)
Ligaments
40.
Muscles are only found in the arms and legs
a)
TRUE
b)
FALSE
41.
The heart is a strong _______________
a)
muscle
b)
bone
c)
fat
d)
blood
42.
The _____________ are protected by the ribs.
a)
Lungs and brain
b)
Heart and lungs
c)
Heart and brain
d)
Stomach and Brain
43.
Your heart beats faster when you 
a)
rest
b)
exercise
c)
sleep
d)
think
44.
Which body system controls the body?
a)
Nervous System
b)
Skeletal System
c)
Digestive System
d)
Immune System
45.
Our brain is the size of ______________
a)
our 2 fists
b)
1 fist
c)
a tomato
d)
Cantaloupe
46.
Your heart is the size of ______________
a)
your 2 fists
b)
1 fist
c)
your brain
d)
a baseball
47.

Actions by one thing that have an effect on a different or separate thing

a)

function

b)

interactions

c)

movement

48.

What something does

a)

function

b)

interaction

c)

movement

49.

A group of organs and

tissues that sense,

transmit, and process

information

a)

digestive system

b)

organs

c)

nervous system

50.

The group of organs that

work together to circulate

blood through the body,

supply oxygen and nutrients,

and remove waste

a)

digestive system

b)

nervous system

c)

circulatory system

51.

What is the overall function of the respiratory system?

a)

To provide the body with the nutrients it needs

b)

To move gases into and out of the body

c)

To move the body

d)

To provide the body with protection

52.

Select all that your blood picks up and carries around the body:

a)

Oxygen

b)

Carbon dioxide

c)

Nutrients

d)

Waste

53.

What is the overall function of the IMMUNE SYSTEM?

a)

To send signals around the body

b)

To move the body

c)

To defend the body from pathogens

d)

To absorb nutrients

54.

Which of the following would be BAD for your immune system?

a)

vitamin C

b)

sleep deprivation

c)

exercise

d)

healthy diet

55.
The skin, hair and nails are part of which body system?
a)
SKELETAL
b)
MUSCULAR
c)
DIGESTIVE
d)
INTEGUMENTARY
56.
Which is the major organ of the skeletal system?
a)
teeth
b)
nails
c)
bones
d)
tendons
57.
The stomach, liver, small intestine and pancreas are all part of which system?
a)
Muscular
b)
Digestive
c)
Circulatory
d)
Excretory
58.
Which organs' primary job is producing and removing liquid waste from the body?
a)
Heart, blood and blood vessels
b)
Esophagus, Stomach, Small intestines
c)
Brain, spinal cord and nerves
d)
Kidneys, ureters, bladder and urethra
59.

Group of organs together form a (a)  

60.

True or False: The skin is the largest organ in the body?

a)

False

b)

True

61.

True or False: Each system is made up of smaller parts like cells, tissues and organs.

a)

True

b)

False

62.

What is another name for your heartbeat?

a)

Heart Time

b)

Blood Sound

c)

Pulse

d)

Vein

63.

What is the name of the gas we breathe in our lungs to survive?

a)

Carbon Dioxide

b)

Laughing Gas

c)

Steam

d)

Oxygen

64.

How many types of muscles are in your body?

a)

3

b)

8

c)

10

d)

100

65.

Ona scale of 1-5, how easy was this quiz? (1 is very difficult, 5 is very easy).

a)

1

b)

2

c)

3

d)

4

e)

5

66.

How well do you think you did on this quiz? (1 is not well at all, 5 is extremely well)

a)

1

b)

2

c)

3

d)

4

e)

5

67.
 Like all other body systems, the immune system helps the body maintain homeostasis.  Which statement best describes how the immune system does this?  
a)
it protects other organs and tissues from infection and disease
b)
it breaks down food to provide cells with nutrients
c)
it gathers information through the senses and controls all other body systems
d)
 it transports oxygen and carbon dioxide
68.

What is the endocrine system?

a)

A system of vessels that circulates blood around the body.

b)

A group of bones and tissue that provides support and structure for the body.

c)

A group of glands that work together with the nervous system to coordinate all body functions

d)

A group of organs that is responsible for eliminating wastes.

69.

Endocrine glands secrete _

a)

Hormones

b)

Neurotransmitters

c)

A wide range of chemical substances

70.

What structure forms a protective layer between the environment and the inside of your body?

a)

skin

b)

bone

c)

blood vessels

d)

muscles

71.

The skeletons purpose is to________. Check all that apply.

a)

supports the body

b)

support muscles and movement

c)

send messages throughout your body

d)

protect organs

72.

Your lungs take in what type of gas from the air you breathe?

a)

carbon dioxide

b)

methane

c)

oxygen

d)

helium

73.

What is the job of the respiratory system?

a)

support the body

b)

transport oxygen and nutrients through the blood

c)

takes in oxygen and removes carbon dioxide

d)

breaks down food for nutrients

74.

Which system is shown in the diagram?

a)

nervous system

b)

circulatory system

c)

digestive system

d)

respiratory system

75.

Which system is represented in the diagram?

a)

nervous system

b)

circulatory system

c)

muscular system

d)

respiratory system

76.

Which organ pumps blood throughout your body?

a)

brain

b)

lungs

c)

heart

d)

stomach

77.

Which parts belong to the circulatory system? You may check more than one box.

a)

heart

b)

stomach

c)

blood vessels

d)

blood

78.

Which parts belong to the respiratory system? You may check more than one box.

a)

heart

b)

lungs

c)

alveoli

d)

bronchial tubes

79.

How does the circulatory system work with the respiratory system?

a)

They provide structure for the human body.

b)

They work together to send signals to and from the brain.

c)

They work together to deliver oxygen to the body and remove carbon dioxide from the body.

d)

They work together to deliver nutrients to the body.

80.

The following organ IS NOT part of the digestive system

a)

Heart

b)

Stomach

c)

Esophagus

d)

Mouth

81.

The following organ IS NOT part of the circulatory system

a)

Heart

b)

Stomach

c)

Arteries

d)

Blood

82.

Is a group of organs working together to convert food into energy.

a)

Circulatory system

b)

Excretory system

c)

Digestive system

d)

Respiratory system

83.

What is one of the functions of bones in our body?

a)

To support the body.

b)

To pump blood.

c)

To digest food.

84.

Which human body system functions to move bones and joints?

a)

muscular system

b)

digestive system

c)

skin system

d)

respiratory system

85.

What is inside your skin that provides information to the human body that something might be dangerous?

a)

bones

b)

muscles

c)

joints

d)

nerve receptors

86.

Which organ does the skull protect?

a)

heart

b)

lungs

c)

brain

d)

stomach

87.

Which sentence best describes the function of muscles?

a)

Muscles show how strong you are.

b)

Muscles make fat if you don’t exercise.

c)

Muscles make the bones move.

d)

Muscles protect the skin.

88.

Which is NOT a function of skin?

a)

nerve receptors

b)

protection

c)

movement

d)

support

89.
The basic unit of structure and function for the body.
a)
cell
b)
atom
c)
organelle
d)
nucleus
90.

A structure made up of different types of tissue and performs a specific job.

a)

cells

b)

tissue

c)

organ

d)

organ system

91.
A group of similar cells that perform the same function.
a)
tissue
b)
organelle
c)
mass
d)
tendon
92.
Which of the following is the correct order of organization in living things from most basic (simple) to most complex?
a)
a.  Organism, cell, tissue, organ, organ system
b)
a.  Organ system, organ, tissue, cell, organism
c)
a.  Cell, tissue, organ, organ system, organism
d)
a.  Cell, organ, tissue, organ, organism, organ system
93.
A group of similar cells that come together to perform a specific function is a/an
a)
organ
b)
organism
c)
organ system
d)
tissue
94.
When a group of organs work together to perform a particular function they create a/an
a)
organ system
b)
organism
c)
tissue
d)
organ
95.
The cell is the building block of all living things.
a)
True
b)
False
96.
A group of organs that work together to perform big jobs for your body is an organ system.
a)
True
b)
False
97.
What is the difference between a cell and a tissue?
a)
cell is basic unit of life; tissue is group of cells that work as one
b)
cell is group of tissues; tissue is basic unit of life
c)
cell is basic unit of life; tissue is groups of different cells
d)
cell is group of organs; tissue is group of different cells
98.
What do you have when organ systems work together?
a)
organs
b)
organism
c)
cells
d)
tissue
99.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
100.
This is a example of ........
a)
cell
b)
tissue
c)
organ 
d)
organ system
101.
This is a example of ........
a)
cell
b)
organ system
c)
organ
d)
tissue
102.
This is a example of ........
a)
organ
b)
organ system
c)
tissue
d)
cell
103.
Examples include kidney, liver, heart, brain, stomach, bladder, intestines
a)
cell
b)
tissue
c)
organ
d)
organ system
104.

What is a group of cells that have similar functions? Examples include nervous, epithelial, muscle, and connective _________ .

a)

cells

b)

tissues

c)

organs

d)

atoms

105.

which are the examples of connective tissue

a)

cartilage

b)

blood

c)

skeletal

d)

bone

e)

cardiac

106.
What is the function of epithelial cells?
a)
Act as barriers between the external environment, or between organs and fluidfilled cavities
b)
Provide movement by pulling on bones
c)
Provide secretions which help to digest food
d)
Act as the messaging pathway between different areas of the body
107.
What type of tissue SIGNALS the intestines to move food along?
a)
Nervous Tissue
b)
Blood Tissue
c)
Smooth muscle tissue
d)
Skeletal Muscle Tissue
108.
Which of the following tissues is made up of cells that contract when stimulated?
a)
Epithelial
b)
Connective
c)
Muscle 
d)
Nervous
109.
Which of the following tissues is made up of cells that conduct impulses?
a)
Epithelial
b)
Connective
c)
Muscle 
d)
Nervous
110.

Which tissue filters the blood?

a)

epithelial

b)

connective

c)

muscle

d)

nervous

111.

What 2 systems: Absorb and deliver the digested nutrients to the cells

a)

Digestive and muscular

b)

Muscular and lymphatic

c)

Digestive and circulatory

d)

Nervous and skeletal

112.

What 2 systems: Allows for movement

a)

Muscular and Skeletal

b)

Endocrine and Skeletal

c)

Nervous and Circulatory

d)

Integumentary and Reproductive

113.

What 2 systems: Allow organs to contract and push food through

a)

Muscular and Skeletal

b)

Excretory and Muscular

c)

Endocrine and Muscular

d)

Muscular and Digestive

114.

What 2 systems: Diaphragm controls breathing

a)

Circulatory and Endocrine

b)

Respiratory and Muscular

c)

Muscular and Skeletal

d)

Circulatory and Respiratory

115.

Which two systems interact so the kidneys filter cellular waste out of blood for removal?

a)

circulatory and endocrine

b)

respiratory and circulatory

c)

digestive and respiratory

d)

circulatory and urinary

116.
Which two body systems work together to break down food and get rid of wastes?
a)
digestive and excretory
b)
digestive and circulatory
c)
excretory and respiratory
d)
nervous and digestive
117.

Which two body systems interact to send oxygen throughout the body?

a)

Nervous and Digestive

b)

Respiratory and Circulatory

c)

Excretory and Endocrine

d)

Circulatory and Skeletal

118.

When your body comes in contact with a sharp object, an impulse sent you your brain triggers a reflex that causes you to move away from the object. What body systems are interacting to cause this response?

a)

Nervous, Respiratory,

b)

Nervous, Muscular

c)

Nervous, Skeletal

d)

Nervous, Digestive

119.

Olympic sprinters undergo increased heart and breathing rates while competing. Which of the following best describes the interactions among systems of a sprinter?

a)

Respiratory system is working to obtain more oxygen, while the circulatory system works to transport the oxygen to the muscles.

b)

The digestive system takes in more glucose, while the excretory system removes waste.

c)

The endocrine system transports ATP to the nervous system

d)

Excretory system removes waste from the digestive system to reduce weight so the sprinter can run faster

120.

Kidneys are part of the urinary system in a human body. They purify the impure blood and send it back to the rest of the body. Which system is mainly responsible for the transport of blood to the kidneys?

a)

Respiratory system

b)

Circulatory system

c)

Muscular system

d)

Nervous system

121.

Why is the maintenance of homeostasis important to multicellular organisms?

a)

They must keep their internal environment within a narrow range of conditions.

b)

They require the ability to adjust their internal environment to match their external environment

c)

Their cells need to be able to respond rapidly to drastic changes in their external enviornment

d)

Their internal environment must provide their cells with a wide range of conditions

122.

Dialysis is a medical treatment used when a person’s kidneys are no longer able to function. During this process, a machine uses an artificial membrane to remove waste products from the blood. Which body system below is not functioning properly in a person who requires dialysis?

a)

Endocrine system

b)

Integumentary system

c)

Urinary system

d)

Circulatory system

123.
How does the Circulatory System help the Muscular System?
a)
Protects muscles
b)
Sends messages to the muscles to contract
c)
Brings oxygen into the body
d)
Delivers nutrients and oxygen to muscle tissue
124.
The skeletal system interacts with the _____ system when it produces red blood cells.  
a)
circulatory
b)
excretory
c)
digestive
d)
nervous
125.
Our brain is a part of our ____ system and it interacts with our muscular system to coordinate movements throughout our bodies.  
a)
excretory
b)
digestive
c)
eyes
d)
nervous
126.
The muscular system interacts with the ____ system because the heart is a muscle and it pumps blood to every cell in our body.
a)
excretory
b)
endocrine
c)
digestive
d)
circulatory

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