1. What is the primary role of heart valves in blood flow regulation?
2. What are the atria of the heart primarily responsible for?
3. How do the right coronary artery (RCA) and the left coronary artery (LCA) differ in their origin and supply?
Coronary arteries — supply?
Supply oxygen-rich blood to the heart muscle.
Heart chambers — roles?
Atria receive blood; ventricles pump blood.
Valves — function?
Prevent backflow; ensure unidirectional blood flow.
Atria — function?
Receive blood into the heart.
Ventricles — function?
Pump blood out of the heart.
Septum — role?
Divides heart into right and left sides.
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