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6. Why do hydration levels increase during exercise?
- Muscle fatigue occurs
- Breathing rate increases
- We start to sweat
- The demand for oxygen increases
7. Which of the following does NOT use a mixture of both energy systems?
- Basketball
- Hockey match
- Penalty kick
- Football
8. Which body type fits this description: thin.
- Mesomorph
- Ectomorph
- Endomorph
9. Which energy system uses oxygen?
10. How is energy supplied in the aerobic energy system?
- By the breakdown of food
- Not depending on oxygen
- Recovery between bouts of exercise
- Increasing intensity of exercise
11. Define short term effects of exercise.
- Changes that happen to our body when we start to exercise, but when we stop, they go back to resting levels
- The amount of times the heart beats per minute
- The force of circulating blood
- Bones becoming stronger when we put them under pressure
12. What is cardiac hypertrophy?
- The heart decreases in size
- The heart decreases in weight
- The heart muscle becomes bigger and stronger
- The muscles become bigger and stronger
13. What does lactic acid cause?
- Muscle soreness
- Increased breathing rate
- Increased stroke volume
- Increased blood flow