Exploring the Human Body
A Grade 4 science worksheet focusing on the major organs and systems of the human body.
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Exploring the Human Body
Name:
Date:
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Read each question carefully and answer to the best of your ability. Good luck!
1. Which organ is responsible for pumping blood throughout your body?
Brain
Lungs
Heart
Stomach
2. What is the main function of your skeleton?
To help you see
To digest food
To support your body and protect organs
To help you hear
3. The system is responsible for breaking down food.
4. Your are the main organs of the respiratory system.
5. The brain helps you think and control your body.
True
False
6. Your stomach is part of your circulatory system.
True
False
7. Name two ways you can keep your body healthy.
Match the organ to its main function.
8. Brain
a. Digests food
9. Heart
b. Controls thoughts and actions
10. Stomach
c. Pumps blood
11. Look at the image below. What organ is shown?

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