hesrt

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Across
  1. 2. substance that is pumped by the heart through veins and arteries; delivers nutrients and oxygen to body cells and removes waste products like CO2
  2. 4. used to describe veins/arteries leading to lungs
  3. 6. membrane that separates heart from other bodily structures
  4. 12. when muscles cells squeeze together to get smaller and produce movement; in the heart this is called systole
  5. 13. largest artery in the body, oxygenated blood from heart travels through it to the rest of the bpdy
  6. 14. structure that can open/close to let blood through; prevent backflow of blood.
  7. 16. walls that separate heart chambers; prevent mixing of blood
  8. 18. valve that oxygenates blood from left ventricle travels through to get to the aorta
  9. 20. type of circulation that supplies blood for the heart itself to FUNCTION, not pump around the body
  10. 21. pump blood out of the heart
Down
  1. 1. circuit that transports blood from heart to lungs & back to oxygenate blood
  2. 3. circuit that transports blood from heart to body and back to oxygenate body tissues
  3. 5. inferior tip of heart
  4. 7. heart is a cardiac _______
  5. 8. a.k.a left atrioventricular valve or bicuspid valve, separates left atfrium from left ventricle
  6. 9. act as holding chambers for blood; pump into ventricles
  7. 10. vessels that return deoxygenated blood to the heart; inferior / superior ____ ____
  8. 11. number of chambers in the heart
  9. 15. measured in bpm (beats per minute), the number of contractions that the heart undergoes per minute; cardiac output divided by stroke volume equals this
  10. 17. a.k.a right atrioventricular valve,separate right atrium from right ventricle
  11. 19. in the lungs, carbon dioxide diffuses out of blood and this diffuses in.