Grade 4 Body Systems Worksheet
Explore the amazing human body with this Grade 4 science worksheet focusing on major body systems and their functions.
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Grade 4 Body Systems
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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?
Circulatory System
Digestive System
Respiratory System
Skeletal System
2. The heart is part of which body system?
Nervous System
Muscular System
Circulatory System
Endocrine System
3. The system helps you breathe by taking in oxygen and releasing carbon dioxide.
4. Your bones make up the system, which supports your body.
5. Name one important job of the nervous system.
6. The muscular system helps you move your body.
True
False
7. The brain is part of the circulatory system.
True
False
Match each body system on the left with its main function on the right.
8. Skeletal System
a. Carries blood around the body
9. Respiratory System
b. Helps you breathe
10. Circulatory System
c. Provides support and protection
Look at the image below of the human body. Can you identify some of the major organs and systems?
11. Label at least two different body systems you see in the diagram.