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GCSE PE key words

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Across
  1. 2. type of joint found in the knee and elbow
  2. 7. the widening of a blood vessel to increase blood flow to muscles during exercise
  3. 9. large muscles found in the buttocks
  4. 11. also known as inhalation
  5. 13. pain in the muscles for 2-3 days after very intense exercise
  6. 16. the nature of blood with low oxygen concentration
  7. 17. muscle in the neck which helps to expand the chest further during intensive respiration
  8. 19. exercise lasting more than 3 minutes; using oxygen for energy
  9. 20. higher breathing rate after anaerobic exercise to repay oxygen deficit
  10. 21. fluid found in joints to lubricate them
  11. 23. tiredness after intensive exercise
  12. 25. the pressure of blood as the heart contracts and ejects it
Down
  1. 1. volume; the amount of air which always stays in the lungs even after the largest exhalation possible
  2. 3. muscle which relaxes to allow movement to take place
  3. 4. longest bone in the human body
  4. 5. the name given to a low resting heart rate; heart rate less than 60 bpm
  5. 6. artery; carries deoxygenated blood to the lungs
  6. 8. the combination of oxygen and haemoglobin
  7. 10. another name for a joint in the skeleton
  8. 12. the movement of a limb away from the midline of the body
  9. 14. the process of muscle fibres becoming thicker and stronger
  10. 15. cava the largest vein in the body
  11. 18. pathway the distance molecules of oxygen and carbon dioxide travel in gaseous exchange
  12. 22. the soft tissue connecting bones together
  13. 24. acid formed during intensive exercise lasting more than 10 seconds