From which vessels does the left atrium receive oxygenated blood?

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Study for the Ivy Tech Anatomy and Physiology II Heart Test. Access flashcards and multiple choice questions, each with helpful hints and explanations. Prepare effectively for your exam and bolster your understanding of heart anatomy and physiology!

Multiple Choice

From which vessels does the left atrium receive oxygenated blood?

Explanation:
Oxygenated blood from the lungs enters the heart through the pulmonary veins and drains into the left atrium. The left atrium is the chamber that receives this oxygen-rich blood before it moves to the left ventricle and then to the body. The other vessels don’t feed the left atrium: the superior and inferior vena cavae return deoxygenated blood to the right atrium, and the aorta carries oxygenated blood away from the heart to the systemic circulation.

Oxygenated blood from the lungs enters the heart through the pulmonary veins and drains into the left atrium. The left atrium is the chamber that receives this oxygen-rich blood before it moves to the left ventricle and then to the body. The other vessels don’t feed the left atrium: the superior and inferior vena cavae return deoxygenated blood to the right atrium, and the aorta carries oxygenated blood away from the heart to the systemic circulation.

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