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Human Body Systems Review

Total questions: 75

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

Which system of the human body provides protection to most of the major organs?

a)

A. skeletal system

b)

B. circulatory system

c)

C. respiratory system

d)

D. muscular system

2.

Which of the following body systems is responsible for producing heat?

a)

A. skeletal system

b)

B. nervous system

c)

C. muscular system

3.

Which BEST describes the function of the skeletal system?

a)

A. It transports oxygen to cells and tissues.

b)

B. It gives shape and support to the human body.

c)

C. It takes in and breaks down all necessary nutrients for the body.

4.

Which BEST explains how the muscular system relies on the respiratory system?

a)

A. The respiratory system cools the muscular system.

b)

B. The respiratory system acts as the support system for the muscular system.

c)

C. The respiratory system brings oxygen into the body for the muscular system to use.

5.

Which are parts of the digestive system?

a)

A. mouth, lungs

b)

B. mouth, teeth

c)

C. mouth, brain

6.

Which best describes a function of the circulatory system?

a)

A. transport blood

b)

B. provide oxygen

c)

C. help the body move

7.

Which body system’s main purpose is to help the body move?

a)

A. digestive system

b)

B. muscular system

c)

C. respiratory system

8.

Which body system includes the lungs?

a)

A. respiratory system

b)

B. digestive system

c)

C. skeletal system

9.

Which system is controlled by involuntary muscle movement in the diaphragm?

a)

A. digestive

b)

B. respiratory

c)

C. cardiovascular

10.

Bones

a)

Provides shape & support

b)

Helps you move

c)

Protects organs

d)

Produces blood cells

11.

Hold bones together to form joints.

a)

Cardiac muscles

b)

Stomach

c)

Ligaments

d)

Bones

12.

Muscles inside many internal organs.

a)

Smooth

b)

Cardiac

c)

Skeletal

13.

Controls most functions in the body.

a)

Skeleton

b)

Immune System

c)

Brain

d)

Skin

14.

Lungs

a)

Small blood vessels where materials are exchanged between the blood and the body’s cells (oxygen and carbon dioxide)

b)

Where the exchange of gas occurs. Oxygen enters and carbon dioxide exits.

c)

Muscular tube connecting the mouth to the stomach

d)

Force pathogens out of the body

15.

Neurons

a)

Attached to bone and move bones using tendons

b)

Water absorbed into the bloodstream, remaining material is readied for elimination from the body.

c)

Produce chemical called antibodies to destroy pathogens 

d)

Nerve cell specialized to transfer messages in the form of fast-moving electrical energy 

16.

Cartilage

a)

Connective tissue that is more flexible than bone

b)

Found only in the heart

c)

Link between brain and the rest of the body

d)

 Small blood vessels where materials are exchanged between the blood and the body’s cells

17.

Mouth

a)

Skeletal System

b)

Digestive System

c)

Respiratory System

d)

Circulatory System

18.

Large dome-shaped muscle used in breathing

a)

Diaphragm

b)

Heart

c)

Kidney

d)

Smooth Muscles

19.

Arteries

a)

Blood vessel that carries oxygen rich blood away from the heart and to the body parts.

b)

Carries oxygen poor blood (with carbon dioxide) back to the heart to be pumped out to the lungs.

c)

Hollow, muscular organ that pumps blood throughout the body.

d)

 Small blood vessels where materials are exchanged between the blood and the body’s cells (oxygen and carbon dioxide)

20.

Muscular tube connecting the mouth to the stomach

a)

Esophagus

b)

Small Intestine

c)

Phagocytes

d)

Spinal Cord

21.

Which organ is part of the peripheral nervous system?

a)

Brain

b)

Heart

c)

Nerves

d)

Hair

22.

Most chemical digestion takes place, absorption of nutrients from digested food into the bloodstream

a)

Lungs

b)

Esophagus

c)

Large intestine

d)

Small Intestine

23.

Skin is what line of defense in the immune system?

a)

First

b)

Second

c)

Third

d)

Seventh

24.

Skeletal muscles are

a)

Voluntary

b)

Involuntary

25.

Sneezing and coughing

a)

is bad for you.

b)

forces pathogens out of your body.

c)

destroys pathogens using antibodies.

d)

is gross.

26.

Mechanical and chemical digestion start here

a)

Stomach

b)

Brain

c)

Mouth

d)

Pancreas

27.

The (a)   system carries messages to control the body.

28.

The (a)   system brings oxygen for the body to use and takes away carbon dioxide.

29.

Stores waste and removes water from food.

a)

Large intestine

b)

Small intestine

c)

Liver

d)

Gallbladder

30.

Which body system protects the organs of the body?

a)

digestive

b)

respiratory

c)

skeletal

d)

muscular

31.

This organ is part of the digestive system.

a)

lung

b)

heart

c)

brain

d)

stomach

32.

What is the function of the respiratory system?

a)

To digest your food

b)

To remove waste from the body

c)

To take in oxygen and remove carbon dioxide

d)

To fight disease

33.

What is the function of the digestive system?

a)

It transports blood and oxygen to your cells

b)

It breaks down food so the nutrients can be absorbed by your body

c)

It helps you breathe by taking in oxygen and transporting carbon dioxide out of your body

d)

It helps you move

34.

Which two body systems work together to support the body and allow the body to move?

a)

circulatory and respiratory

b)

digestive and nervous

c)

skeletal and muscular

d)

circulatory and digestive

35.
This system includes the skin, hair, and nails.
a)
integumentary
b)
nervous
c)
skeletal
d)
muscular
36.
This system filters and removes liquid wastes from the body.
a)
endocrine
b)
digestive
c)
circulatory
d)
excretory
37.
This system receives and proccesses information.
a)
respiratory
b)
immune
c)
nervous
d)
endocrine
38.
This system secretes chemical messages (hormones) to different parts of the body.
a)
excretory
b)
endocrine
c)
digestive
d)
immune
39.

Which of the following is a component of the circulatory system?

a)

heart

b)

blood vessels

c)

blood

d)

all answers

40.
The three types of muscles are 
a)
skeletal, smooth, and cardiac. 
b)
skeletal, voluntary, and cardiac. 
c)
smooth, cardiac, and involuntary. 
d)
skeletal, cardiac, and ridged. 
41.
Which of the following is a function of both the excretory system and the digestive system? 
a)
regulating metabolism 
b)
eliminating wastes 
c)
regulating other organ systems 
d)
maintaining homeostasis 
42.
Which one of the following systems DO NOT absorb nutrients or get rid of wastes?
a)
Respiratory System
b)
Digestive System
c)
Nervous System
d)
Circulatory System
43.
What function do the endocrine system and nervous system have in common?
a)
Both relay messages to cells throughout the body.
b)
Both produce electrical signals that are carried by neurons
c)
Both produce hormones which are chemical messengers
d)
both remove wastes and toxins from the body
44.
A woman running in a marathon requires a constant supply of oxygen to her muscles.Which cells carry oxygen to muscle tissue?
a)
nerve cells
b)
lung cells
c)
red blood cells
d)
artery cells
45.
What structure is B pointing to?
a)
liver
b)
stomach
c)
small intestine
d)
kidney
46.
What system are A, B, D, and E a part of?
a)
circulatory
b)
digestive
c)
respiratory
d)
not all same system
47.
The ___________ are the main organs of the respiratory system. 
a)
veins
b)
lungs
c)
arteries
d)
kidneys
48.
The ____________________ is the body system that transports oxygen, nutrients, and waste through the body.  
a)
respiratory system 
b)
digestive system
c)
circulatory system 
d)
immune system
49.
The ____________ is a muscular organ that pumps blood to the body through blood vessels. 
a)
vein 
b)
artery 
c)
heart
d)
kidney
50.
The ______________________ is the body system that breaks food down so that it can be used by the body.  
a)
circulatory system 
b)
digestive system 
c)
respiratory system 
d)
skeletal system
51.
What is your body's process of maintaining balanced conditions?
a)
photosyntheis
b)
homeostasis
c)
circulation
d)
regulation
52.
What is the main function of the respiratory system?
a)
regulate the body's functions by secreting hormones
b)
protect the inner organs of the body from harm
c)
coordinate the actions of the body
d)
exchange carbon dioxide & oxygen with the environment
53.
The following is an example of which two systems working together:
"The small intestine absorbs nutrients from our food and they are carried through the blood to the cells."
a)
Digestive and Circulatory
b)
Digestive and Respiratory
c)
Digestive and Skeletal
d)
Digestive and Nervous
54.
Which system works with the Skeletal system to give nutrients to the bones?
a)
Nervous System
b)
Digestive System
c)
Muscular System
d)
None of the above
55.
Fill in the blanks:
"The ________ system allows us to move around, but the _________ system controls our movement."
a)
Skeletal, Nervous
b)
Nervous, Skeletal
c)
Muscular, Skeletal
d)
Nervous, Muscular
56.
Alveoli are microscopic air sacs in the lungs of mammals.  Which statement best describes how the structure of the alveoli allows the lungs to function properly?
a)
they increase the amount of energy transferred from the lungs to the blood.
b)
they incrase the flexibility of the lungs as they expand during inhalation
c)
they increase the volume of the lungs, allowing more oxygen to be inhaled
d)
they incrase the surface area of the lungs, allowing efficient gas exchange
57.

What important substance is replenished as blood flows through your heart?

a)

Nitrogen

b)

Iron

c)

Water

d)

Oxygen

58.

As your body works harder, what happens to your HEART rate?

a)

Increases

b)

Decreases

c)

Beats backward

d)

Stays the same

59.

Where does digestion start?

a)

stomache

b)

throat

c)

intestines

d)

mouth

60.

Your lungs are part of which body system?

a)

muscular

b)

circulatory

c)

digestive

d)

respiratory

61.

Which part of your digestive system absorbs nutrients into your blood stream?

a)

mouth

b)

intestine

c)

stomach

d)

bladder

62.

If you take a rest after running a mile, what happens to your BREATHING rate?

a)

decreases

b)

increases

c)

stays the same

d)

none of these

63.

Which system pumps blood through your body?

a)

respiratory

b)

digestive

c)

circulatory

d)

muscular

64.

When Dr. Jeff bends his arms to lift the weight, what is happening to his bicep muscle?

a)

it is twisting up

b)

it is getting longer

c)

it is contracting

d)

it is relaxing

65.

What happens to what's left of our food after it goes through the intestines?

a)

absorbed into blood

b)

disposed of in the bathroom

c)

becomes stomach acid

d)

goes back to the stomach

66.

As you exercise, your circulatory systems works with what other system to take in oxygen?

a)

muscular

b)

digestive

c)

respiratory

d)

endocrine

67.

Cell is to tissue as brick is to _______.

a)

Cement

b)

Clay

c)

Bricklayer

d)

Wall

68.

What can you infer about carbon dioxide from the function of the respiratory system?

a)

It helps you breathe

b)

It is more common than oxygen

c)

It is harmful to your body

d)

It is not found in the body

69.

What is the main product of the endocrine system?

a)

Bones

b)

Blood

c)

White blood cells

d)

Hormones

70.

Which system is easiest to study without X-rays or body scans?

a)

Skeletal

b)

Endocrine

c)

Integumentary

d)

Lymphatic

71.

This level is made of many cells working together

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

72.

Different organs working together make ...

a)

Tissues

b)

Organ Systems

c)

Organisms

d)

Organelles

73.

The circulatory system...

a)

moves oxygen around the body

b)

moves nutrients around the body

c)

includes the heart, blood, and blood vessels

d)

All of these are true

74.

The smallest living part of the body is...

a)

cells

b)

muscles

c)

tissues

d)

organs

75.

How do messages travel through the nervous system?

a)

through the blood

b)

through hormones in the glands

c)

through electrical signals in the nerves

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