Acute Responses to Exercise

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Across
  1. 4. The total amount of blood pumped by the heart each minute.
  2. 8. Tiny air sacs in the lungs where gas exchange occurs.
  3. 9. Gas taken into the body to fuel energy production.
  4. 11. When a muscle shortens or lengthens to produce movement.
  5. 13. The chemical processes in the body that release energy.
  6. 15. Tiredness or reduced ability of muscles to contract after exercise.
  7. 17. Organs where oxygen enters and carbon dioxide leaves the blood.
  8. 18. Narrowing of blood vessels to reduce blood flow.
  9. 19. Organ that pumps blood around the body.
  10. 20. A group of fibres and their motor nerve working together.
Down
  1. 1. Regular exercise to improve fitness and performance.
  2. 2. The movement of gases from high to low concentration at the alveoli.
  3. 3. The amount of blood pumped out of the heart per beat.
  4. 5. Waste gas removed from the body during breathing.
  5. 6. By-product formed during high-intensity exercise when oxygen is limited.
  6. 7. Widening of blood vessels to increase blood flow.
  7. 10. The amount of air breathed in or out per breath.
  8. 12. body’s immediate change to meet the demands of exercise.
  9. 14. The process of activating more motor units to create force.
  10. 16. Individual muscle cell that contracts to produce movement.