The left atrium is one of the four chambers in the human heart. It receives oxygenated blood from the pulmonary veins, and pumps it into the left ventricle, via the mitral valve. Atria facilitate circulation primarily by allowing uninterrupted venous flow to the heart, preventing the inertia of interrupted venous flow that would otherwise occur at each ventricular systole.
Read more about Left Atrium: Size, Foramen Ovale, Blood Supply, Animals
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“There are few things more dreadful than dealing with a man who knows he is going under, in his own eyes, and in the eyes of others. Nothing can help that man. What is left of that man flees from what is left of human attention.”
—James Baldwin (1924–1887)