Across
- 4. point of the heart
- 5. major blood vessel to your head
- 6. major blood vessel to your arm and head
- 7. where the SA node is found
- 8. vessel that travels back toward the heart
- 11. right AV valve
- 12. moo
- 13. "sac" that the heart resides in
- 16. enters the right atrium
- 17. the third branch off of the aorta
- 18. the muscle portion of the heart
Down
- 1. largest artery in the body
- 2. pulmonary vein empties here
- 3. pumps to the systemic circuit
- 5. vessel that is one cell thick and exchanges gases/fluids
- 7. pumps to the pulmonary circuit
- 9. left AV valve
- 10. vessel that travels away from the heart
- 14. space b/w lungs where the heart is
- 15. the inner lining of the heart- repels blood