Across
- 2. these potentials can not be summed
- 3. muscle cell fluid
- 8. causes breakdown of cross bridges
- 9. study of function in living organisms
- 12. found in all systems
- 13. water fearing
- 14. neurotransmitter of the motor end plate
- 17. found in the sarcoplasmic reticulum
- 19. these substances can not enter the cell without assistance
- 20. this occurs whenpotassium leaves the cell
- 21. thick filaments
Down
- 1. a steady state maintained by negative feedback
- 4. study of structures in living organisms
- 5. muscle cell membrane
- 6. covers the myosin binding sites
- 7. functional unit of striated muscle
- 10. water loving
- 11. this occurs when sodium enters the cell
- 15. binds to calcium
- 16. type of cholinergic receptor found on the motor end plate
- 18. not found in the H zone
