Human Body Systems

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📚 Part 1: Body Systems Knowledge

1. Which body system helps you think and controls your body?

Digestive system

Nervous system

Muscular system

Skeletal system

2. What is the main job of the digestive system?

To help you move

To break down food for energy

To protect your organs

To pump blood

3. Which body systems work together when you run? (Check all that apply)

Skeletal system

Muscular system

Nervous system

Digestive system

4. Fill in the blanks with the correct vocabulary words:

The _____________ system gives your body shape and protects your organs. Your _____________ help you move by working with your bones. The _____________ sends messages from your brain to different parts of your body.

Word bank: skeletal, muscles, nervous system

✏️ Part 2: Explain Your Understanding

5. Choose one body system and write a paragraph explaining what it does. Include a topic sentence, at least two supporting details, and a concluding sentence.

6. Explain how two body systems work together. Give a specific example.

7. Why is it important for all your body systems to work together?