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Worksheets

Human Body

Total questions: 48

Worksheet time: 26mins

Name
Class
Date
1.

Which type of waste is removed by the respiratory system?

a)

carbon dioxide

b)

bile

c)

urine

d)

amino acids

2.

What human body system is responsible for cleaning your blood and removing excess liquid waste?

a)

Urinary System

b)

Digestive System

c)

Nervous System

d)

Respiratory System

3.

What human body system is responsible for circulating oxygen, carbon dioxide, nutrients and blood around the body?

a)

Circulatory System

b)

Respiratory System

c)

Digestive System

d)

Nervous System

4.

What human body system is responsible for helping us breathe in oxygen and exhale carbon dioxide?

a)

Nervous System

b)

Respiratory System

c)

Circulatory System

d)

Urinary System

5.

What organ do your red blood cells pick up oxygen from?

a)

Heart

b)

Lungs

c)

Brain

d)

Bladder

6.

What human body system is responsible for communicating with the whole body by sending electrical signals so the body knows what to do?

a)

Muscular System

b)

Digestive System

c)

Nervous System

d)

Circulatory System

7.

What human body system is responsible for breaking down food into nutrients, energy and waste for the body to use and get rid of?

a)

Urinary System

b)

Nervous System

c)

Digestive System

d)

Cardiovascular System

8.

What is the organ that leads from your mouth to your stomach?

a)

Small Intestines

b)

Spine

c)

Esophagus

d)

Tongue

9.

I filter and clean blood and get rid of excess waste. What organ am I?

a)

Heart

b)

Kidneys

c)

Bladder

d)

Esophagus

10.

What organs do you have all around your body that help you use your reflexes?

a)

Brain

b)

Nerves

c)

Skin

d)

Arteries

11.

What is the organ that has acid and enzymes inside to help break down food into nutrients?

a)

Mouth

b)

Stomach

c)

Trachea

d)

Veins

12.

What organ directs and controls all activities in our body? It is considered the most important organ in our body!

a)

Heart

b)

Lungs

c)

Brain

d)

Liver

13.

Which two body systems deliver oxygen to your cells and take away carbon dioxide?

a)

Respiratory and Nervous

b)

Circulatory and Nervous

c)

Circulatory and Excretory

d)

Respiratory and Circulatory

14.
______________ are the smallest blood vessels.
a)
Arteries
b)
Veins
c)
Capillaries
15.

Humans feel hungry when their empty stomachs contract and glucose levels in their body drop. Both of the situations stimulate neurons that send messages to the brain which are interpreted as hunger. What body systems are involved in this process as described?

a)

digestive, muscular, integumentary, and respiratory

b)

digestive, excretory, integumentary, and skeletal

c)

circulatory, excretory, nervous, and skeletal

d)

circulatory, digestive, muscular, and nervous

16.

Which system is responsible for the overall control of all the internal processes that occur in the body?

a)

muscular system

b)

nervous system

c)

digestive system

d)

skeletal system

17.
Which are the main divisions of the nervous system?
a)
afferent and efferent
b)
peripheral and central
c)
somatic and autonomic
d)
sympathetic and parasympathetic
18.
Which system controls involuntary responses?
a)
somatic
b)
autonomic
c)
sympathetic
d)
parasympthetic
19.
What is the top layer of the skin called?
a)
Dermis
b)
Hypodermis
c)
Epidermis
d)
Subcutaneous
20.
What is the largest organ in the human body?
a)
Skin
b)
Hair
c)
Nails
d)
All of the Above 
21.

A storage organ found in the urinary system where urine is collected before passing out of the body is called ____.

a)

kidneys

b)

small intestine

c)

large intestine

d)

bladder

22.

Connective tissue, nerve cells, muscle fibers, sweat glands, oil glands, and hair follicles are located in ...

a)

epidermis

b)

dermis

c)

subcutaneous layer

23.

What is the main function of the circulatory system?

a)

secrete enzymes

b)

digest proteins

c)

produce hormones

d)

transport materials

24.

The trachea branches off into two large tubes in the lungs called.....

a)
Alveoli
b)
Bronchi
c)
Bronchioles
25.
What is another name for the windpipe?
a)
Lungs
b)
Trachea
c)
Larynx
d)
Esophagus
26.
Oxygen moves from the lungs into the bloodstream through:
a)
small blood vessels in lungs
b)
nerve fibers
c)
aorta
d)
jugular vein
27.
When the diaphragm contracts and moves down, the lungs are...
a)
expanding with air
b)
shrinking - pushing air out
28.
When the diapragm relaxes and moves back up, the lungs are...
a)
expanding with air
b)
shrinking - pushing air out
29.

What are the tiny air sacs where gas exchange occurs?

a)

alveoli

b)

bronchi

c)

trachea

d)

bronchioles

30.
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.
31.
arteries, veins, and capillaries are three types of __________
a)
heart valves
b)
blood vessels
c)
cells
d)
veins
32.

The upper chambers of your heart are called ______

a)

atrium

b)

ventricle

c)

vesticle

d)

artery

33.

Where does the digestive system start?

a)

The liver

b)

The throat

c)

The stomach

d)

The mouth

34.

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

35.

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

a)

swallowing

b)

peristalsis

c)

inertia contractions

d)

paralysis

36.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

37.
The place where waste is stored before it leaves the body.
a)
rectum
b)
anus
c)
small intestine
d)
large intestine
38.
Which are the tubes that carry urine from the kidney to the bladder?
a)
Adrenal tubes
b)
Kidneys
c)
Ureters
d)
Urethras
39.
The _________ is/are responsible for urine storage.
a)
Bladder
b)
Kidneys
c)
Ureter
d)
Urethra
40.
What is the function of the urethra?
a)
It filters urea out of the bloodstream
b)
It delivers urine from the bladder to the outside world
c)
It transfers urine from the kidneys to the bladder
d)
It prevents urine from leaking out of the bladder
41.
Before the kidney filter it out, where does urea exist?
a)
In your intestines
b)
In your liver
c)
In your stomach
d)
In your bloodstream
42.

What is the function of the nervous system?

a)

to control and coordinate body functions and systems.

b)

to protect the body from harm.

c)

to identify pain and begin healing.

d)

to break down food.

43.

Select all of the organs of the nervous system:

a)

Brain

b)

Heart

c)

Spinal Cord

d)

Nerves

e)

Stomach

44.

Which system controls all other body systems?

a)

Muscular

b)

Excretory

c)

Nervous

d)

Digestive

45.

What is the function of a nerve?

a)

To transport needed food around the body

b)

To control body movement for reflexes.

c)

To carry messages (impulses) to and form the Central Nervous System

d)

All of the above

46.
What is the top layer of the skin called?
a)
Dermis
b)
Hypodermis
c)
Epidermis
d)
Subcutaneous
47.
This function of the skin that allows  the body to retain or lose heat.
a)
body temperature regulation
b)
storage
c)
excretion
d)
absorption
48.
The main function(s) of the skin is to:___________
a)
hold in water
b)
protect from infection
c)
provide the sense of touch
d)
All of the above