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Worksheets

Organ Systems

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Which is an example of an organ?

(there may be more than 1 answer)

a)

heart

b)

liver

c)

cell

d)

tissue

2.

Which body system gives you energy?

a)

Digestive System

b)

Respiratory System

c)

Muscular System

d)

Circulatory System

3.

Which system includes the esophagus, large intestine, and liver?

a)

Digestive System

b)

Muscular System

c)

Nervous System

d)

Respiratory System

4.

What comes before the stomach?

a)

Large Intestine

b)

Small Intestine

c)

Esophagus

d)

Kidney

5.

What comes after the stomach?

a)

Large Intestine

b)

Small Intestine

c)

Pancreas

d)

Esophagus

6.

Which system transports blood throughout the body?

a)

Circulatory System

b)

Respiratory System

c)

Muscular System

d)

Skeletal System

7.

Which system allows your body to move?

a)

Muscular System

b)

Circulatory System

c)

Skeletal System

d)

Digestive System

8.

Which system allows you to breathe?

a)

Respiratory System

b)

Circulatory System

c)

Digestive System

d)

Skeletal System

9.

The Circulatory System includes...

a)

arteries, veins, and heart

b)

lungs, nose, mouth

c)

nerves, spinal cord, brain

d)

bones, spine, skull

10.
Which is the main organ of the nervous system?
a)
lung
b)
kidney
c)
heart
d)
brain
11.
What is the main organ in the circulatory system?
a)
lungs
b)
brain
c)
veins
d)
heart
12.

What body system produces blood cells for the body?

a)

Nervous System

b)

Digestive System

c)

Respiratory System

d)

Skeletal System

13.
How many bones make up a human adult?
a)
205
b)
206
c)
207
d)
208
14.
How many muscles make up the human body?
a)
Over 500
b)
Over 600
c)
Over 450
d)
Over 800
15.
My heart is a _________, that pumps blood through the body. 
a)
Cell
b)
Tissue
c)
Muscle
d)
Bone
16.
What is the main function of the stomach?
a)
to hold food
b)
to mix food with digestive juices
c)
to absorb food into the blood stream
d)
to hold waste materials
17.
Which system of the body uses veins, blood, and arteries?
a)
The nervous system
b)
The circulatory system
c)
The respiratory system
d)
The blood system
18.
Which two systems work together to transport nutrients to the body for energy?
a)
The nervous and digestive systems
b)
The respiratory and circulatory systems
c)
The digestive and circulatory systems
d)
The skeletal and digestive systems
19.
What is the tube of nerves that runs through the backbone?
a)
spinal cord
b)
veins
c)
muscles
d)
chambers
20.
What is the most important job of the skeletal system
a)
To give your body shape and protect your organs
b)
To circulate blood throughout your body
c)
To keep you healthy
21.
What is the most important job of the muscular system?
a)
To help you move
b)
To give your body shape and protect your organs
c)
To break down food 
22.
What is the most important job of the digestive system?
a)
To break down food and give your body nutrients 
b)
To help you move
c)
To give your body shape and protect your organs 
23.
What is the most important job of the the nervous system?
a)
To help you remember, think, and learn
b)
To circulate blood throughout your body
c)
To give your body shape and protect your organs
24.
What is the most important job of the circulatory system?
a)
To circulate blood throughout your body
b)
To help you move
c)
To help you remember, think, and learn
25.
The important bone that protects your brain is called your ______.
a)
Scapula
b)
Elbow
c)
Skull