Which heart chamber receives oxygenated blood from the lungs?

Prepare for the NLN PAX Science Exam with flashcards and multiple choice questions. Each question includes hints and detailed explanations to boost your confidence and exam readiness.

Multiple Choice

Which heart chamber receives oxygenated blood from the lungs?

Explanation:
The left atrium receives oxygenated blood from the lungs. Blood becomes oxygenated in the lungs and returns to the heart through the pulmonary veins, which deliver it into this left-sided atrial chamber. From there, the blood moves into the left ventricle to be pumped out to the body. In contrast, the right atrium handles deoxygenated blood returning from the body via the vena cavae, the right ventricle sends blood to the lungs for oxygenation, and the left ventricle supplies oxygen-rich blood to the entire body.

The left atrium receives oxygenated blood from the lungs. Blood becomes oxygenated in the lungs and returns to the heart through the pulmonary veins, which deliver it into this left-sided atrial chamber. From there, the blood moves into the left ventricle to be pumped out to the body. In contrast, the right atrium handles deoxygenated blood returning from the body via the vena cavae, the right ventricle sends blood to the lungs for oxygenation, and the left ventricle supplies oxygen-rich blood to the entire body.

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