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Describes the movement of blood from the heart to the lungs and back to the heart.          *Coronary circulationPulmonary circulationSystemic circulationArterial circulation

Question

Describes the movement of blood from the heart to the lungs and back to the heart.          *Coronary circulationPulmonary circulationSystemic circulationArterial circulation

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Solution

The movement of blood from the heart to the lungs and back to the heart is described by Pulmonary circulation. Here's a step-by-step description:

  1. Deoxygenated blood from the body enters the right atrium of the heart through the superior and inferior vena cava.

  2. The right atrium contracts and pushes the blood into the right ventricle.

  3. The right ventricle contracts and pumps the blood to the lungs through the pulmonary artery.

  4. In the lungs, the blood releases carbon dioxide and picks up oxygen during respiration. This process is known as gas exchange.

  5. The now oxygenated blood returns to the heart via the pulmonary veins, entering the left atrium.

  6. The left atrium contracts and pushes the blood into the left ventricle.

  7. The left ventricle contracts and pumps the oxygenated blood out to the rest of the body, starting the systemic circulation.

So, the correct answer is Pulmonary circulation.

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