Which of these blood vessels does not return blood into the right atrium?
A. pulmonary trunk
B. inferior vena cava
C. superior vena cava
D. coronary sinus
Answer (2)
The blood vessel that does not return blood to the right atrium is the pulmonary trunk. The superior vena cava, inferior vena cava, and coronary sinus all send deoxygenated blood to the right atrium. Understanding these functions is key in learning about the circulatory system.
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The vessel that does not return blood to the right atrium is the pulmonary trunk, which carries deoxygenated blood from the right ventricle to the lungs. In contrast, the superior vena cava, inferior vena cava, and coronary sinus all transport blood to the right atrium. Understanding these differences is essential in studying the circulatory system. ;
