Across
- 4. Inflammation of a tendon
- 8. Functional contractile unit of a muscle fiber
- 14. Involuntary striated muscle found only in the heart
- 15. Muscle that opposes the prime mover
- 16. Body system responsible for movement, posture, and heat production
- 17. The fixed attachment point of a muscle
- 18. Muscle that assists the prime mover
- 20. Ion required for muscle contraction
- 21. Thick filament involved in muscle contraction
Down
- 1. Nerve cell that stimulates muscle contraction
- 2. The movable attachment point of a muscle
- 3. Wavelike smooth muscle contractions that move substances
- 5. Primary muscle responsible for a movement
- 6. Neurotransmitter that triggers muscle contraction
- 7. Connects muscle to bone
- 9. Fibrous connective tissue that surrounds muscles
- 10. Connective tissue surrounding individual muscle fibers
- 11. Voluntary striated muscle attached to bones
- 12. Involuntary non-striated muscle found in organs
- 13. Outer connective tissue covering a whole muscle
- 15. Thin filament involved in muscle contraction
- 19. Group of muscles forming the buttocks