Across
- 4. layer of connective tissue that covers a skeletal muscle
- 7. small protein structures
- 8. site of aerobic energy production
- 9. bundle of muscle fibres
- 12. connective tissue surrounding fascicle
- 13. chemicals that speed up energy production
- 14. gel-like substance inside the cell
Down
- 1. each muscle fibre is made up of thousands of these
- 2. Carbohydrates, fats,proteins
- 3. connective tissue surrounding each muscle fibre
- 5. transports oxygen to the Mitochondria
- 6. cell membrane of the muscle fibre
- 10. Immediate energy source
- 11. contractile unit in a muscle fibre