Which chamber of the mammalian heart receives oxygenated blood returning from the lungs?
Correct answer: B. Left atrium
- A. Right atrium
- B. Left atrium
- C. Right ventricle
- D. Left ventricle
Explanation
The left atrium receives oxygenated blood through the pulmonary veins and passes it to the left ventricle. The right atrium receives systemic venous blood, so it is the common trap.
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Covers the gross and microscopic structure of domestic animals, including bones, joints, muscles, organs, blood vessels and nerves. It explains how the respiratory, cardiovascular, digestive, urinary, nervous, endocrine and reproductive systems function, with attention to species differences and the relationship between anatomical structure and physiological processes.
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