Human Body Systems Review
A worksheet for 6th graders to review the major human body systems and their functions.
Includes
Standards
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Human Body Systems Review
Name:
Date:
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Read each question carefully and answer to the best of your ability.
1. Which body system is responsible for breaking down food into nutrients the body can use?
Respiratory System
Circulatory System
Digestive System
Nervous System
2. The main organ of the circulatory system that pumps blood throughout the body is the:
Brain
Lungs
Heart
Stomach
3. The system helps us breathe by taking in oxygen and releasing carbon dioxide.
4. Bones are part of the system, which provides support and protection for the body.
5. Name two major functions of the nervous system.
6. The skeletal system is made up of only bones.
True
False
7. The heart is part of the respiratory system.
True
False
8. Look at the illustration of the human body and label the following systems: Skeletal, Muscular, Nervous, Circulatory.

A:
B:
C:
D: