1. What is the main function of the muscular system?

2. Which is NOT a work of the muscles?

3. Which bone protects the brain?

4. Without it, it would be impossible to walk and move about.

5. What is the function of the skeleton?

6. It protects the major organs of the body. What is it?

7. Which sets of bones protect the lungs and the heart?

8. It allows you to bend your knees.

9. It is the part of the bones that support our body when we sit.

10. They are attached to the bones and can be controlled.