The expandable outer portion of each atrium is called a(n)

auricle
postcava
semilunar valve
base of the heart
none of the choices are correct


auricle

Anatomy & Physiology

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Inhibin

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Anatomy & Physiology

The most abundant element in the human body, by weight, is ________

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The gluteus maximus is the most powerful muscle during __________.

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Anatomy & Physiology