Oxygen-poor blood returning to the heart enters the
A) right atrium.
B) left atrium.
C) left ventricle.
D) right ventricle.
Correct Answer:
Verified
Q47: Destruction of which structure will result in
Q48: The heart chamber with the thickest wall
Q49: Cells of the subendocardial conducting network
A) are
Q50: The cardiac centers that control heart rate
Q51: The _ receives oxygenated blood from the
Q53: The left ventricular wall of the heart
Q54: Which heart chamber is most affected by
Q55: The parasympathetic fibers of the vagus nerve
A)
Q56: The semilunar valves are closed when the
A)
Q57: During ventricular systole, blood is
A) flowing from
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