Coronary arteries — supply?
Supply oxygen-rich blood to the heart muscle.
Atria — function?
Receive blood into the heart.
Heart chambers — roles?
Atria receive blood; ventricles pump blood.
Ventricles — function?
Pump blood out of the heart.
Valves — function?
Prevent backflow; ensure unidirectional blood flow.
Septum — role?
Divides heart into right and left sides.
Valves — purpose?
Ensure unidirectional blood flow.
Coronary arteries — supply?
Oxygen and nutrients to the heart muscle.
Blood flow sequence?
Right atrium, right ventricle, lungs, left atrium, left ventricle, body.
Left ventricle — role?
Pumps oxygenated blood to the body.
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1. What is the primary role of heart valves in blood flow regulation?
2. What is the primary function of the atria in the heart?
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