TB GCSE PE

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Across
  1. 4. The system that uses the lungs
  2. 6. A contraction which uses the muscle but not the joint
  3. 9. Carries blood away from the heart with oxygen
  4. 10. Humans breathing apparatus
  5. 12. Tension remains unchanged and the muscles length changes
  6. 14. One cell blood vessels
Down
  1. 1. Can cause raised blood pressure
  2. 2. Muscle that pumps blood around the body
  3. 3. The system that uses the heart
  4. 5. The valve on the right side of the heart
  5. 7. Can cause strokes and heart failure
  6. 8. Carries oxygen-depleted blood towards the heart
  7. 11. The largest artery
  8. 13. The valve on the left side of the heart
  9. 15. Where gaseous exchange happens