Across
- 2. conducts the impulse down the axon
- 7. extends the wrist
- 10. a muscle fibre with moderate aerobic capacity
- 11. term that means the heart generates its own electrical impulse
- 12. a flap of skin which stops food going down the trachea
- 14. the main muscle of the quadricep group
- 15. muscle responsible for hip flexion
- 17. a form of physiological aid to increase RBC count
- 18. a pharmological aid which increases intensity and duration of training
Down
- 1. a high energy compound stored in type 2 muscle fibres
- 3. system which determines heart rate regulation
- 4. a muscle which is activated by the EC during exercise
- 5. an oxygen carrying protein
- 6. where the CCC, VCC, RCC etc are found
- 8. constricts to reduce blood flow to organs during exercise
- 9. the main muscle of the hamstring group
- 13. the site of aerobic respiration
- 16. a smaller version of an artery