Pulmonary circuit
Diagram of pulmonary circulation. Oxygen-rich blood is shown in red; oxygen-depleted blood in blue.
This is a diagram of pulmonary circulation. Oxygen-rich blood is shown in red and can be seen moving through the pulmonary veins into the left ventricle and the left atrium. Oxygen-depleted blood is shown in blue, moving through the right ventricle into the right atrium and out to the lungs via the right and left pulmonary arteries.
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