Heart failure occurs when the heart is unable to pump blood efficiently. When the heart is unable to manage the blood volume in the circulatory system:
A) the heart stops beating and cardiac arrest occurs.
B) fluids back up in the circulatory system, causing swelling and breathing problems.
C) the heart beats faster, causing a decrease in blood pressure.
D) oxygenated blood cannot get to the heart muscle, causing chest pain.
B
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