Across
- 4. located between the right ventricle and the pulmonary artery and between the left ventricle and the aorta
- 8. located between the left atrium and left ventricle with 2 cusps AKA the mitral valve
- 9. fibers attached to the tricuspid valve which pull it closed when papillary muscles contract, preventing backwash of blood
- 12. a muscular pumping mechanism and organ that keeps blood in circulation is called the
- 16. a double-layered serous membrane that surrounds the heart
Down
- 1. the two lower chambers of the heart, and they pump blood out to the lungs and body.
- 2. vessels that carry oxygenated blood from the lungs to the left atrium
- 3. the artery that carries venous blood from the right ventricle of the heart and divides into the right and left pulmonary arteries
- 5. membrane forming the outer layer of the heart innermost layer of the pericardium
- 6. a dividing partition between two tissues or cavities
- 7. vessels that carry blood back to the heart
- 10. valve between the right atrium and the right ventricle with 3 cusps
- 11. what is the function of heart valves
- 13. thicker walled vessels that carry blood away from the heart are
- 14. carry deoxygenated blood out of the right ventricle and into the lungs
- 15. the two upper chambers of the heart- the receiving areas that pool incoming blood.