What is the functional difference between the four chambers of the heart?

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(N/A) The heart consists of four chambers, each with a specific role in the circulatory system:
Chamber Function
$Right \text{ atrium}$ Receives deoxygenated (impure) blood from the rest of the body via the $vena \text{ cava}$ and pumps it into the $right \text{ ventricle}$.
$Left \text{ atrium}$ Receives oxygenated (pure) blood from the lungs via the $pulmonary \text{ vein}$ and pumps it into the $left \text{ ventricle}$.
$Right \text{ ventricle}$ Receives deoxygenated blood from the $right \text{ atrium}$ and pumps it to the lungs for oxygenation via the $pulmonary \text{ artery}$.
$Left \text{ ventricle}$ Receives oxygenated blood from the $left \text{ atrium}$ and pumps it to the entire body via the $AORTA$ (the main artery).

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