Which circuit carries oxygenated blood to the body?

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Multiple Choice

Which circuit carries oxygenated blood to the body?

Systemic circulation is the pathway that delivers oxygen-rich blood from the left side of the heart through the body and returns the now deoxygenated blood back to the right side of the heart. It starts with the left ventricle pumping blood into the aorta, then through arteries to tissues all over the body, where oxygen is released for cells to use. The blood returns via veins to the right atrium, completing the circuit. This is the circulation that supplies the body's cells with oxygen and nutrients, and it is contrasted with pulmonary circulation, which sends blood to the lungs for oxygenation. The lumen is just the hollow inside of a blood vessel, not a circuit. Homeostasis refers to the body's overall balance and regulatory processes, not a specific blood-circuit pathway.

Systemic circulation is the pathway that delivers oxygen-rich blood from the left side of the heart through the body and returns the now deoxygenated blood back to the right side of the heart. It starts with the left ventricle pumping blood into the aorta, then through arteries to tissues all over the body, where oxygen is released for cells to use. The blood returns via veins to the right atrium, completing the circuit. This is the circulation that supplies the body's cells with oxygen and nutrients, and it is contrasted with pulmonary circulation, which sends blood to the lungs for oxygenation.

The lumen is just the hollow inside of a blood vessel, not a circuit. Homeostasis refers to the body's overall balance and regulatory processes, not a specific blood-circuit pathway.

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