Cardiovascular Crossword

2. The volume of blood still in ventricles at the end of ventricular systole
6. Sound from closing of atrioventricular valves
8. Between left atrium and left ventricle
9. Depolarization is ________ with epi and norepi stimulating B1 adrenergic receptors
11. prevent backflow from ventricles into atria
13. The contraction of the ventricles.
17. Carry blood towards the heart
19. Between right atrium and right ventricle
21. The volume of blood ejected from the heart per beat
22. Caused by backflow of blood from ventricles into atria
23. Soud from closing of the semilunar valves
24. The repeated pattern of contraction and relaxation of the heart

1. When both atrioventricular and semilunar valves are closed
3. A slow, spontaneous depolarization
4. Open from hyperpolarization and cAMP
5. The flow of deoxygenated blood from the heart to the lungs and back again
7. The pacemaker of the heart. In the R atrium near the SVC.
10. The first phase of the cardiac cycle where 80% of ventricular filling happens.
12. Carry blood away from the heart
14. The flow of blood from the heart through the body and back to the heart
15. The total amount of blood left in each ventricle at the end of ventricular diastole
16. Multiple myocardial cells linked by gat junctions
18. Prevent backflow from arteries to ventricles
20. The phase in which the last 20% of blood enters the ventricles
21. Depolarization is _________ with ACh opening up K+ channels