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