Across
- 2. the heart pumps this through the body; it carries oxygen to the muscles
- 4. this controls how you move, think, and feel
- 7. sight, smell, taste, touch, hearing
- 10. things that make you sick
- 12. the beat of your heart you can feel in your wrist
- 15. the lungs breathe this out; it is a waste product carried in your blood
- 16. these pull on your bones to help them move
Down
- 1. a special muscle that pumps blood
- 3. these breathe oxygen in and carbon dioxide out
- 5. what the skeleton is made of
- 6. this takes messages to and from the brain
- 8. it gives your body its shape
- 9. small tubes in your lungs; clusters of these are called "air sacs"
- 11. the lungs breathe this in and the heart pumps it through the body in the blood
- 13. something that is not needed
- 14. to shorten
