veins
Blood returning from the body systemic circulation first enters which chamber of the heart?
Heart .
Blood enters the heart from the systemic circulation in the right atrium, and then moves to the right ventricle. From there, blood is pumped into the pulmonary circulation. When the blood returns from the lungs, it enters the left atrium, then left ventricle, then is pumped to body tissues via the systemic circulation.
Blood returning from systemic circulation enters the heart at the right atrium. Blood from the pulmonary circulation enters the left atrium.
Systemic circulation circulates through body tissues but not the lungs.
Systemic circulation circulates through body tissues but not the lungs.
Coronary circulation is a sub-set of systemic circulation, it just supplies the heart. Pulmonary circulation is mecanically the same as systemic, but the blood enters as deoxigenated, and the pressures are much lower.
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to your bloodstream and eventually to your brain.
Vena Cava.
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