Across
- 4. during sarcoplasmic reticulum, these ions are released
- 5. mid part of a sarcomere that only consists of myosin filaments
- 7. bring information to the cell body
- 12. take information away from the cell body
- 14. Ions bind to the ___________ which is found on actin.
- 15. the part which moves in SFT that exposes binding sites
- 16. Protective layer that keeps all fascicles together
- 18. Separates each sarcomere in the muscle fibres
- 19. Fleshy part of the muscle between tendons
- 20. contractile unit of a muscle
- 22. protective membrane surrounding each individual muscle fibre
- 23. the area at which actin attaches to within the SFT
- 24. Fibre type best suited for high intensity, low duration actions
- 25. a junction where neurons communicate with other cells
- 26. Nervous system involving the spinal chord and the brain
- 28. Happens after the myosin has bound itself to the actin
Down
- 1. bundles of muscle fibres
- 2. organ with a nerve ending that responds to stimulation
- 3. when all the motor units fire at once
- 6. consists of nerves away from the spinal chord and brain
- 8. muscle contraction
- 9. Characteristic of a slow twitch fibre
- 10. colour of fast twitch muscle fibres
- 11. Motor neuron and the muscle fibres where contractions occur
- 13. force High velocity of contraction means _______________.
- 17. Thick, dark protein filament
- 21. connect muscle to bone
- 27. The thin filament that has binding sites