Across
- 1. What's the overall function of this system?
- 3. Which system helps pump your heart?
- 4. Which system maintains posture and balance?
- 7. How many muscles are in your body?
Down
- 2. What are muscles made up of?
- 4. Which system maintains blood pressure and flow?
- 5. What pulls on bones to move the body.
- 6. Where do skeletal muscles attach to?