Across
- 4. lacks striations
- 7. unit that makes up a muscle fibre
- 8. a muscle cell
- 10. outer most covering of muscle
- 11. A contraction with no movement
- 13. muscle cell membrane
- 15. muscle cells acting a single unit
- 17. muscle that appears like feathers
Down
- 1. only found in smooth muscle
- 2. an increase in cell size, not cell number
- 3. a muscle with four equal sides
- 5. the place most muscles pull towards
- 6. movement decreasing the angle of a joint
- 7. Rotation towards the midline
- 9. a bundle of muscle fibres
- 12. smaller motor units mean more
- 14. elongation of the muscle is ???? contraction
- 16. made of one motor neuron and muscle fibres