A drop of blood returning to the heart from the head region would enter the heart through which vessel?
A) the coronary sinus
B) the inferior vena cava
C) the superior vena cava
D) a pulmonary vein
Correct Answer:
Verified
Q8: Q20: The valve responsible for preventing backflow of Q20: Q21: Parasympathetic impulses to the SA node are Q22: Coronary artery that supplies the left atrium. Q24: Which of the following vessels does not Q25: The right ventricle pumps blood into which Q26: A condition in which the ventricles are Q27: Enlargement of the heart with progressive decline Q28: The cusps of the valves of the
A)
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