Across
- 1. True/False: muscles are found in the eye
- 4. only voluntary muscle in the human body
- 5. fibers of this differ from other tissues
- 6. muscular system's second function
- 7. made of three proteins
- 8. smiling takes ________ muscles
- 12. Skeletal muscles work together with
- 13. extra muscle contractions lead to
Down
- 1. made of bonded units of protein myosin.
- 2. can be divided into two types
- 3. muscles make up roughly ____ ur weight
- 9. frowning takes ___________ muscles
- 10. the cardiac muscle is found in the _____
- 11. the smallest muscles are found here
- 12. the largest muscles are found here