The Heart

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Across
  1. 3. the heart's job is to ___ blood
  2. 7. when you ___ your heart speeds up
  3. 8. ___ give our blood oxygen
  4. 10. the heart can fill 93 of these
  5. 12. the heart beats 100,000 times every ___
  6. 13. blood ___ in one direction
Down
  1. 1. we need our heart to ___
  2. 2. blood with ___ travels in arteries
  3. 4. the heart can squirt blood 10 ___ away
  4. 5. the heart can pump 1.3 of these every minute
  5. 6. ___ appear blue
  6. 9. ___ appear red
  7. 11. veins carry blood without oxygen from the ___