Across
- 2. output/ blood pumped per minute
- 3. connect arteries to veins
- 5. pain in the chest due to lack of oxygen
- 8. substance which causes the left ventricles to contract with more force
- 11. nerve/ slows heart rate
- 14. takes blood away from the heart
- 15. venae cavae/ returns blood from lower extremities
Down
- 1. actual muscle tissue of heart
- 4. pressure of blood during contractions
- 6. bottom two chambers of the heart
- 7. pressure of blood during relaxation
- 9. nerve/ speeds up heart beat
- 10. venae cavae/ returns blood from upper extremities
- 12. top two chambers of the heart
- 13. returns blood to the heart