your heart

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Across
  1. 3. blood vessels that carry blood away from the heart
  2. 4. a straw colored liquid
  3. 7. what arterioles branch off into
  4. 9. blood vessels that carry blood back to the heart
  5. 10. what arteries branch off into
  6. 12. the flow of blood between the heart and everything but the lungs
  7. 13. upper chamber of the heart
  8. 14. these transport oxygen to other cells of the body
Down
  1. 1. these carry blood from capillary networks to veins
  2. 2. slippery membrane that covers the heart
  3. 5. the transport of blood back and forth between the heart and lungs
  4. 6. study of the heart
  5. 8. lower chamber of the heart
  6. 11. cell pieces that form clots