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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?

  • Aerobic
  • Anaerobic

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