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Human Body Systems and Functions Review

Total questions: 43

Worksheet time: 11hrs 45mins

Name
Class
Date
1.

Controls most functions in the body.

a)

Skeleton

b)

Immune System

c)

Brain

d)

Skin

2.

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

3.

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 

4.

Muscular tube connecting the mouth to the stomach

a)

Esophagus

b)

Small Intestine

c)

Phagocytes

d)

Spinal Cord

5.

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

a)

Lungs

b)

Esophagus

c)

Large intestine

d)

Small Intestine

6.

Skin is what line of defense in the immune system?

a)

First

b)

Second

c)

Third

d)

Seventh

7.

Skeletal muscles are

a)

Voluntary

b)

Involuntary

8.

Which body system protects the organs of the body?

a)

digestive

b)

respiratory

c)

skeletal

d)

muscular

9.

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

10.

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

11.

Which system in the human body includes the heart, blood, arteries, and veins?

a)

cardiovascular

b)

muscular

c)

digestive

d)

respiratory

12.
This system receives and proccesses information.
a)
respiratory
b)
immune
c)
nervous
d)
endocrine
13.

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

a)

heart

b)

blood vessels

c)

blood

d)

all answers

14.
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. 
15.
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 
16.
From the smallest functional units to the largest, the body is organized as follows: 
a)
cell, system, organ, tissue, body. 
b)
organ, cell, tissue, system, body. 
c)
system, organ, tissue, cell, body. 
d)
cell, tissue, organ, system, body. 
17.
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
18.

This level is made of many cells working together

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

19.

Different organs working together make ...

a)

Tissues

b)

Organ Systems

c)

Organisms

d)

Organelles

20.

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

21.

The smallest living part of the body is...

a)

cells

b)

muscles

c)

tissues

d)

organs

22.

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

23.

How does food move through the digestive system?

a)

mouth, stomach, intestines

b)

mouth, esophagus, stomach, intestines

c)

stomach, intestines, liver, blood

d)

mouth, trachea, bronchi, stomach

24.

Why is the heart in the circulatory system so important?

a)

It supplies energy to the body.

b)

It absorbs oxygen into the body.

c)

It gets nutrients from food.

d)

It pumps the blood around the body.

25.

The __________ system is in charge of getting oxygen into the body

a)

Nervous

b)

Respiratory

c)

Circulatory

d)

Digestive

26.

Muscles are attached to _____ to help you ______.

a)

skin, get oxygen

b)

nerves, get food

c)

blood, sleep

d)

bones, move

27.

Which system gets rid of waste in the body?

a)

Endocrine system

b)

Muscular system

c)

Excretory System

d)

Nervous system

28.

Which is true about sensory and motor nerves?

a)

Sensory: moving

Motor: feelings

b)

Sensory: 5 senses

Motor: hormones

c)

Sensory: 5 senses

Motor: moving

d)

They do the same job

29.

The system in charge of transforming food into nutrients is

a)

The respiratory system

b)

The digestive system

c)

The circulatory system

d)

The excretory system

30.

The circulatory system is also called

a)

digestive

b)

cardiovascular

c)

respiratory

d)

excretory

31.

The system in charge of removing cells' wastes from the body is called

a)

Digestive

b)

excretory

c)

Respiratory

d)

cardiovascular

32.

The kidneys and bladder belong to

a)

The excretory system

b)

The digestive system

c)

The respiratory system

d)

The cardiovascular system

33.

A body part consisting of different tissues working together is called

a)

A cell

b)

An organ

c)

A system

d)

An organism

34.

The cellular process that makes energy or ATP for the cells is called

a)

photosynthesis

b)

respiration

c)

chloroplast

d)

mitochondria

35.

Respiration takes place in

a)

The nucleus

b)

The chloroplast

c)

The mitochondria

d)

The vacuole

36.

The system that gets rid of the water and carbon dioxide produced during respiration is

a)

the digestive system

b)

the excretory system

c)

the respiratory system

d)

the cardiovascular system

37.

The cardiovascular system is composed of blood vessels that travel from the heart to the rest of the body and back to the heart.  Why does blood make a complete loop throughout the body?

a)

Blood needs to circulate through my body to allow for my kidneys to absorb CO2

b)

Blood needs to circulates through my body to provide signals to move the muscles

c)

Blood needs to circulate through my entire body so it can transfer CO2 to all of the cells.

d)

Blood needs to circulate through my entire body (to all of the cells in all of the systems) so that my body can maintain homeostasis.

38.

The digestive system is responsible for breaking down food into nutrients, what other systems does it work with to help nutrients get to every cell in the body?

a)

Cardiovascular system - absorbs nutrients into the bloodstream via capillaries in the small intestine.

b)

Excretory system - absorbs nutrients into the bloodstream via the kidneys

c)

Respiratory system - absorbs nutrients into the bloodstream via the alveoli in the lungs

d)

Nervous system - absorbs nutrients into the bloodstream via neurons in the spinal cord

39.

 Describe the relationship between the muscular and respiratory system.

a)

The diaphragm is a muscle which allows for the lungs to inhale and exhale as it expands and contracts.

b)

The diaphragm is a muscle which sends messages for the lungs to inhale or exhale.

c)

The diaphragm is a muscle which allows for absorption of O2 into the bloodstream.

d)

The lungs are a muscle which allows for the diaphragm to expand and contract

40.

When the excretory system is not working properly, what other system is directly affected?

a)

The cardiovascular systems as the blood is cleaned by the kidneys of the excretory system.

b)

The respiratory system as the blood is cleaned by the kidneys of the excretory system.

c)

The immune system as the blood is cleaned by the kidneys of the excretory system.

d)

The digestive system as the blood is cleaned by the kidneys of the excretory system.

41.

Which system's function is to protect the body from infection and regulate body temperature?

a)

excretory

b)

endocrine

c)

integumentary

d)

nervous

42.

Which excretory organ filters the blood?

a)

bladder

b)

heart

c)

skin

d)

kidneys

43.

The major organ of this system is the brain

a)

Circulatory System

b)

Digestive System

c)

Nervous System

d)

Immune System