Across
- 3. also known as a heart attack
- 7. carries blood from the left ventricle to the body
- 9. pain caused by the myocardium being deprived of oxygen
- 10. drains blood into the coronary sinus
- 12. located at the junction of the right atriumand ventricle
- 13. divides atria and ventricle into three flaps, also known as the right antrioventricular valve
- 17. an enclosed double sac in the heart
- 18. heart relaxation
- 19. the middle layer of the heart that contracts
- 22. divides atria and ventricle into two flaps, also known as the left antrioventricular valve and mitral
- 24. brings blood into the right atrium from the superior body
Down
- 1. brings blood into the right atrium from the inferior body
- 2. supplies blood into the heart
- 4. receives blood in its chambers to aid the body or the lungs
- 5. flaps to the ventricle walls
- 6. spread into the tissue surrounding the ventricles
- 8. the inner most layer of the heart that lines the chambers of the heart and blood vessels
- 11. located in the top of the right atrium, also known as a pacemaker
- 14. opens when the heart contracts and are closed when the heart relaxes
- 15. carries blood from the lungs to the left atrium
- 16. the outer layer of the heart
- 20. carries blood from the right ventricle to the lungs
- 21. divides the heart longitudinally
- 23. heart contraction
- 25. fine branching blood vessels that form network between the arteries and ventricles