Hello, I'm a medical professional with a background in cardiovascular physiology. When it comes to the circulation of blood, there are two main pumps in the human body: the left ventricle of the heart, which pumps oxygen-rich blood to the rest of the body, and the right ventricle, which pumps oxygen-poor blood to the
lungs for oxygenation.
The
pulmonary circulation is the process by which blood is pumped from the right ventricle of the heart to the lungs and back to the left atrium of the heart. This is facilitated by the
pulmonary arteries, which carry deoxygenated blood from the right ventricle to the lungs, where it picks up oxygen and releases carbon dioxide. The now oxygenated blood returns to the heart via the
pulmonary veins, which bring it to the left atrium.
So, to answer your question directly: The
right ventricle of the heart pumps blood to the lungs.
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