1.
Bottom corner of the heart
2.
The receiving chambers and give blood to ventricles
3.
middle layer of the wall of the heart that is mostly cardiac muscle
4.
receiving chambers with thicker walls
5.
carry blood away from the heart
6.
carry blood toward the heart
7.
Separates the two atria longitudinally
8.
take oxygen poor blood to the lungs
9.
return oxygen rich blood to the heart
10.
open and close to pressure changes to prevent backflow
11.
white cords that anchor the cusps to the walls of the ventricles
12.
branch from aorta to supply the heart muscle with oxygenated blood
14.
longer heart sound caused by closing of AV Valve
15.
short and sharp heart sound at the closing of the semilunar valves
17.
Pressure in arteries is at the peak of ventricular contraction
18.
Pressure when ventricles are relaxed
19.
A heart problem when elasticity is lost in vessels with old age
