heart ap2020

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Across
  1. 2. middle layer of the heart
  2. 5. atriums are separated by
  3. 6. this vessel collects from the liver
  4. 8. this specific vessel helps regulate glood flow
  5. 9. the "rest stop" of electrical conduction in the heart
Down
  1. 1. this vessel runs up and down the medial leg
  2. 3. black artery that regulates blood flow
  3. 4. covers the right and left atrium
  4. 7. capillary used for gas exchange