wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Body Systems

Total questions: 67

Worksheet time: 17hrs 45mins

Name
Class
Date
1.

What is the biggest function of the respiratory system?

a)

to pump blood

b)

to help us digest food

c)

to take in oxygen and release carbon dioxide

d)

to help us fight disease and infection

2.

Which of the following statements describes the function of the heart?

a)

The heart produces white and red blood cells.

b)

The heart controls the nervous system.

c)

The heart makes oxygen and carbon dioxide.

d)

The heart pumps blood throughout the body.

3.

Which system in the human body functions primarily to supply the blood with oxygen and remove carbon dioxide?

a)

excretory

b)

immune

c)

respiratory

d)

cardiovascular

4.

Which two body systems are primarily responsible for gas exchange between the body and the environment?

a)

skeletal and muscular

b)

circulatory and respiratory

c)

circulatory and digestive

d)

respiratory and excretory

5.

How does the respiratory system depend on the circulatory system in order to function?

a)

The circulatory system brings waste gases to the lungs and exchanges them for oxygen.

b)

The circulatory system provides structural support and protection to the respiratory system.

c)

The circulatory system pushes gases out of the body through the mouth and nose.

d)

The circulatory system sends messages to the lungs so that one can breathe in and out.

6.

How does the circulatory system depend on the respiratory system in order to function?

a)

The respiratory system removes bacteria from the circulatory system.

b)

The respiratory system produces circulatory system cells.

c)

The respiratory system delivers oxygen to the circulatory system.

d)

The respiratory system provides protection to the circulatory system.

7.

What is the most important function of the digestive system?

a)

Gas exchange

b)

Break down food

c)

Voluntary movement

d)

Fight bacteria and disease

8.

What is the most important function of the excretory system?

a)

Break down food

b)

Pump blood

c)

Remove waste

d)

Voluntary movement

9.

Which is not an important organ in the excretory system?

a)

Bladder

b)

Large Intestine

c)

Esophagus

d)

Kidneys

10.

How do the circulatory and excretory systems work together?

a)

The circulatory system brings nutrients and oxygen so our cells can produce energy.

b)

The circulatory system brings blood to the kidneys to filter and remove waste.

c)

The circulatory system bring white blood cells around the body to fight infection and disease.

d)

The circulatory system helps the excretory system digest food.

11.

Which of the following statements describes the function of the small intestine?

a)

The small intestine transports blood to other organs.

b)

The small intestine helps digest food and absorbs nutrients.

c)

The small intestine releases carbon dioxide from the body.

d)

The small intestine produces cells needed for reproduction.

12.
The main purpose of the ____________ system is to break food particles into pieces that can be used.
a)
circulatory
b)
respiratory
c)
digestive
d)
skeletal
13.
The __________ system directs the body to inner and outer changes.
a)
digestive
b)
circulatory
c)
nervous
d)
skeletal
14.
The __________ is the main organ of the nervous system.
a)
heart
b)
lungs
c)
brain
d)
skin
15.
___________ are the building blocks of life.
a)
cells
b)
legos
c)
blocks
d)
blood
16.
In multicellular organisms, tissues are comprised of _______.
a)
organs
b)
systems
c)
cells
d)
blood
17.
When tissues come together, they form ___________.
a)
cells
b)
atoms
c)
organs
d)
systems
18.
Which of the following body systems work together for support, protection, and movement?
a)
respiratory and cardiovascular
b)
skeletal and muscular
c)
skeletal and integumentary
d)
digestive and respiratory
19.
What comes first?
a)
Mouth
b)
stomach
c)
large intestine
d)
none
20.

What part of the digestive system is highlighted?

a)

Esophagus

b)

Appendix

c)

Small Intestine

d)

Stomach

21.

What part of the digestive system is highlighted?

a)

Small intestine

b)

Large intestine

c)

Stomach

d)

Liver

22.

What part of the digestive system is highlighted?

a)

Stomach

b)

Pancreas

c)

Liver

d)

Gall bladder

23.

What part of the digestive system is highlighted?

a)

Large intestine

b)

Small intestine

c)

Stomach

d)

Appendix

24.

What part of the digestive system is highlighted?

a)

Small Intestine

b)

Large intestine

c)

Stomach

d)

Liver

25.

What carries food from the pharynx to the stomach?

a)

larynx

b)

trachea

c)

esophagus

d)

bronchioles

26.

What type of digestion takes place in the stomach?

a)

mechanical

b)

chemical

c)

both mechanical and chemical

27.

What enzyme is found in saliva that starts digesting carbohydrates?

a)

amylase

b)

chyme

c)

pepsin

d)

bile

28.

Where does the absorption of nutrients from food take place?

a)

stomach

b)

liver

c)

small intestine

d)

large intestine

29.

What part of the digestive system mechanically and chemically breaks down food?

a)

mouth

b)

stomach

c)

both the mouth and stomach

30.

What chemically breaks down food into smaller molecules?

a)

teeth

b)

muscles of the stomach

c)

enzymes

31.
What does stomach acid do?
a)
Chemically digests food in the mouth.
b)
Chemically digests food in the stomach
c)
Protects the stomach from digesting iteself
d)
Absorbs nutrients from food so the body has energy.
32.
The opening at the end of the digestive track where feces exits the body.
a)
large intestine
b)
small intestine
c)
rectum
d)
anus
33.
To take in matter or energy
a)
collection
b)
composition
c)
aborption
d)
density
34.
A fluid in the mouth that helps digest food.
a)
pepsin
b)
pepsi
c)
saliva
d)
salty
35.
Microscopic sacs are called:
a)
alveoli
b)
bronchi
c)
villi
36.
Which body structure protects the lungs from outside harm?
a)
Cartilage
b)
Tiny Sacs
c)
The Rib Cage
37.
What important activity takes place in the lungs?
a)
Food is digested
b)
Waste filtered from blood
c)
Oxygen (O2) is exchanged for Carbon Dioxide (CO2)
d)
Trachea is exchanged for the larynx
38.
What is another name for the windpipe?
a)
Lungs
b)
Trachea
c)
Larynx
d)
Esophagus
39.
Letter D is pointing to which Respiratory organ?
a)
Alveoli
b)
Diaphragm
c)
Lung
d)
Bronchi
40.

The teeth chew food and the stomach churns food into smaller particles. What is the name of this process?

a)

chemical digestion

b)

mechanical digestion

c)

absorption

d)

enzyme activity

41.
The tube after the small intestine where the liquid is absorbed.
a)
large intestine
b)
small intestine
c)
rectum
d)
stomach
42.
Under normal conditions, which of the following substances is found in urine?
a)
blood cells
b)
protein
c)
glucose
d)
urea
43.
Which organ of the excretory system stores urine until the body is ready to eliminate it?
a)
ureters
b)
urethra
c)
urinary bladder
d)
urea
44.
Which excretory organ eliminates water and some chemical wastes in perspiration?
a)
lungs
b)
skin
c)
liver
d)
kidneys
45.
What function do the kidneys perform?
a)
eliminate carbon dioxide
b)
supply oxygen to body cells
c)
remove urea and excess water
d)
play a role in gas exchange
46.
Tiny filtering structures where urine is produced in the kidneys are called
a)
ureters.
b)
alveoli.
c)
nephrons.
d)
bronchi.
47.

The organ that produces bile

a)

stomach

b)

pancreas

c)

gall bladder

d)

liver

48.

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

49.

The part of the PNS that controls involuntary actions

a)

autonomic nervous system

b)

somatic nervous system

c)

organic nervous system

d)

reflexive nervous system

50.

These three parts work together to make up the Central Nervous System. They are the ________, ______, and _______.

a)

Brain, Spinal Cord, and Nerves

b)

Heart, Lungs, Brain

c)

Cerebrum, Cerebral Cortex, Cerebellum

51.

Which part of the body is like a highway for sending messages?

a)

Blood

b)

Spinal Cord

c)

Dendrites

d)

Medulla

52.

Which organs belong to the Respiratory System?

a)

Bones, cartilage

b)

Cardiac, smooth, skeletal

c)

Trachea, larynx, pharynx, lungs

d)

Kidneys, urinary bladder

53.

What is the purpose of the Skeletal System?

a)

Transports oxygen and nutrients

b)

Supports and protects the body, creates blood

c)

Movement and heat production

d)

Gas exchange in the body and lungs

54.

Which body system is shown on the right?

a)

Digestive System

b)

Muscular System

c)

Circulatory System

d)

Respiratory System

55.

Which body system is shown on the left?

a)

Muscular System

b)

Circulatory System

c)

Digestive System

d)

Nervous System

56.

Which level of organization is a heart at?

a)

Cell

b)

Tissue

c)

Organ

d)

Organ System

57.

Which level of organization are you at?

a)

Tissue

b)

Organ

c)

Organ System

d)

Organism

58.

What are the levels of organization in order?

a)

Cell, Tissue, Organ, Organ System, Organism

b)

Cell, Tissue, Organ, Organ System

c)

Cell, Tissue, Organ, Organism, Organ System

d)

Cell, Organ, Tissue, Organ System, Organism

59.

What are organs made up of?

a)

Multiple Organisms

b)

Multiple Tissues

c)

Multiple Organ Systems

60.

A nerve cell is called a

a)

cardiac cell

b)

neurons

61.

The nerves in your fingertips are part of the ___ nervous system

a)

central

b)

peripheral

62.
The nerves in your legs are part of the ____ nervous system.
a)
Central 
b)
Peripheral
63.

The brain is part of the ____ nervous system.

a)

central

b)

peripheral

64.

This is part of our central nervous system and is responsible for connecting the brain to the rest of the body.

a)

Brain

b)

Spinal Cord

c)

Neurons

65.

What system does the muscular system work in conjunction with to allow our body to move?

a)

Digestive

b)

Respiratory

c)

Skeletal

d)

Circulatory

66.
The _________________ gives the body its shape and supports and protects the internal organs.
a)
urinary system
b)
skeletal system
c)
lympthatic/immune system
d)
endocrine system
67.
What are the bones that protect your heart and lungs?
a)
rib cage
b)
sternum
c)
clavicle
d)
femur