Cardiovascular

4. Valves located between the atria and ventricles.
6. The valve that prevents backflow from the pulmonary artery to the right ventricle.
9. The heart chamber that pumps deoxygenated blood to the lungs.
10. The heart chamber that receives deoxygenated blood from the body.
11. The phase where the atria contract.
13. The vessels that carry blood away from the heart.
14. Contraction of the heart muscle.
15. The valve that prevents backflow from the right ventricle to the right atrium.
16. The phase where all heart valves are closed and ventricular volume is constant.
19. The term for ventricular contraction.

1. The phase where ventricles are filling with blood.
2. The term for ventricular relaxation.
3. Valves located between the ventricles and the major arteries.
5. The vessels that carry blood towards the heart.
7. The valve that prevents backflow from the aorta to the left ventricle.
8. The heart chamber that pumps oxygenated blood to the rest of the body.
10. Relaxation of the heart muscle.
12. The fluid that is pumped through the heart.
17. The heart chamber that receives oxygenated blood from the lungs.
18. The valve that prevents backflow from the left ventricle to the left atrium.