Cardiovascular System

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Across
  1. 4. The number of valves in the heart
  2. 7. Another name for Right AV valve
  3. 8. What way do the left side chambers carry oxygen rich blood to blood tissues (two letter word)
  4. 10. Returns the blood from the head and upper limbs(three words)
  5. 12. The ventricle that pumps the oxygen-rich blood through the semilunar valve into the aorta(two words)
  6. 13. What way do the right side chambers carry oxygen rich blood to the lungs (for multiply word answers they have a underscore instead of space since the website only allows one word)
  7. 17. Which atrium pumps the oxygen-poor blood to the ventricle(two words)
  8. 18. The thin layer of endothelial tissue lining the interior of each chamber
  9. 20. Which atrium pumps the oxygen-rich blood to the ventricle(two words)
  10. 22. What is the left semilunar valve called(two words)
  11. 23. Transfers blood lacking oxygen from the either side heart to the lungs so that it can be oxygenated(two words)
  12. 24. Returns the blood from the trunk and legs(three words)
  13. 25. The rhythmic electrical activity produced by the heart muscle
Down
  1. 1. Prevents the AV valves from turning itself inside out during ventricular contractions(two words)
  2. 2. The lubricant equivalent for the heart as it alleviates friction from the interaction of other organs(two words)
  3. 3. The middle layer of the heart wall
  4. 5. It allows for quick information flow between cells to start a synchronized response(two words)
  5. 6. The name of the 2/4 chambers that on the bottom of the other 2/4 in the dual-pump system of the heart
  6. 9. Is one of the two names used for the Left AV valve
  7. 11. Draws blood that is high or low in oxygen from your lungs and deliver it to your heart(two words)
  8. 14. What is the right semilunar valve called(two words)
  9. 15. The ventricle that pumps the oxygen-blood to the pulmonary artery(two words)
  10. 16. The name of 2/4 chambers that on top of the other 2/4 in the dual-pump system of the heart
  11. 19. The thin external membrane covering the heart filled with a small amount of pericardial fluid
  12. 21. Is one of the two names used for the Left AV valve