CH 4 vocab

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Across
  1. 4. heart rate x stroke volume
  2. 6. support for a life time
  3. 7. rate at which your heart pumps blood
  4. 8. weights of muscles
  5. 9. body works harder than should
  6. 10. electrocardiogram
Down
  1. 1. how fast heart can supply o2
  2. 2. running
  3. 3. blood your heart pumps
  4. 5. pressure blood is exerted