Learning About The Cardiovascular System

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Across
  1. 2. blood pressure that is too low....
  2. 5. the average adult heart beat is 60 to 100 times per....
  3. 6. the heart is made up of....
  4. 8. you would not survive without a....
  5. 10. what is the name of the tubes that carry blood....
  6. 13. the heart is located between the two....
  7. 14. Blood turns red when mixed with....
Down
  1. 1. together the heart and the blood is called the....
  2. 3. The heart has four....
  3. 4. the average weight of the human heart is 230-300....
  4. 7. the heart is the size of your....
  5. 9. the only times when the heart gets a rest is between....
  6. 11. the heart is an....
  7. 12. the average person has around 500 litres of....
  8. 15. the heart beats around 30 million times a....