Across
- 3. Muscles become small/weak due to disuse
- 4. Surrounds muscle cell/fiber
- 7. Muscle not under conscious control
- 12. Produces by cellular respiration
- 13. Individual heart muscle cells
- 16. Causes muscles to contract
- 17. Enzyme that breaks down ACH
- 18. Muscle under conscious control
- 20. Involunatry, striated tissue
Down
- 1. Involuntary, non-striated tissue
- 2. Contains a lot of mitochondria
- 5. Gap between the neuron and motor end plate
- 6. Boundary between sarcomeres
- 8. Bundle of fibers
- 9. Involuntary contraction
- 10. Pacemaker cells
- 11. Enlargement of the muscle
- 14. Excitable, contractile tissue
- 15. Plasma membrane of muscle cells
- 19. Attaches muscle to bone