The cardiovascular System

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Across
  1. 2. number of times heart beats per minute
  2. 4. pressure of blood when heart relaxes and fills with blood
  3. 5. carries oxygen around the body
  4. 7. recreational drug that can raise blood pressure
  5. 8. time taken for heart rate to get back to resting after exercise
  6. 9. pumps blood around the body
  7. 11. structure that carries blood
  8. 13. pressure of blood on walls of vessels
  9. 16. amount of blood pumped out of heart per minute
Down
  1. 1. performance enhancing drug taken to lower heart rate
  2. 3. white blood cells fight this
  3. 6. amount of blood pumped out of the heart per beat
  4. 10. when blood vessels narrow
  5. 12. when blood vessels widen and expand
  6. 14. pressure of blood as it goes away from heart
  7. 15. also know as blood doping helps increase number of red blood cells in body