Across
- 4. rise in heart rate prior to exercise
- 6. muscle fibres that have high myoglobin and high capillary denisty
- 8. the breakdown of glucose
- 9. is needed for energy
- 11. the maximum volume of oxygen that can be utilised per minute
- 12. increase in the amount of capillaries due to long term effects of exercise
- 14. which lung volume is lower during exercise than at rest?
- 15. detects a rise in CO2 in the blood and decrease in PH levels
- 16. the proportion of blood leaving the heart
- 18. where the impulse is fired again before it relaxes meaning a greater force of contraction
- 19. ........... nervous system that speeds up heart rate
Down
- 1. oxyhaemoglobin dissociation curve moves to the right
- 2. the pacemaker of the heart
- 3. the last stage of the aerobic energy system
- 5. occurs in the blood vessels going towards the muscles during exercise
- 7. process of gases moving from high concentration to low concentration
- 10. a method of measuring energy expenditure by taking blood samples
- 13. spindle, proprioceptor that detects tension in the muscle
- 17. the amount of blood coming back to the heart