Across
- 2. Which acid is a waste product of anaerobic respiration?
- 5. A long term effect of exercise is that the resting heart rate does what?
- 8. Other than oxygen, what is the energy source of aerobic respiration?
- 9. Which components of the lungs increases in number to increase gaseous exchange?
- 10. Which energy system does not use oxygen as a fuel source?
- 11. Other than muscles, which structures of the body become denser and strong as a result of regular exercise?
- 13. How does the body ensure blood goes to muscles and away from the digestive system?
- 14. Is hypertrophy a short or long term effect of exercise?
- 15. Would a sprinter or marathon runner be more likely to use the anaerobic energy system?
- 16. The increase in the size of muscle fibres is known by what name?
Down
- 1. Increased strength of ligaments results in a reduced risk of which type of injury?
- 3. What happens to the respiration rate during exercise?
- 4. The risk of which disease of the bone is reduced as a results of exercise?
- 6. The difference between energy used and energy produced from oxygen during exercise is known as the oxygen ______.
- 7. After exercise, lactic acid is broken down into water and which gas?
- 12. Where are mitochondria located?