In human heart, the left atrium receives:
Correct answer: D. The four pulmonary veins
- A. The superior vena cava
- B. The inferior vena cava
- C. The coronary sinus
- D. The four pulmonary veins
Explanation
The Right Atrium receives deoxygenated blood from the Superior Vena Cava, Inferior Vena Cava and the Left Atrium receives blood from four pulmonary veins. As shown in the diagram below:
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The circulatory system covers the chambers, valves and conducting pathway of the human heart, along with the cardiac cycle and control of heartbeat. It compares arteries, veins and capillaries by structure and function, and explains how the lymphatic system returns tissue fluid, transports absorbed fats and supports immunity.
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