The heartA) is a four-chambered muscular pump.B) is posterior to the trachea.C) is lined with an epithelial layer called the epicardium.D) lies mostly to the right of the midline of the sternum.E) has a superior apex and an inferior base.

Question

The heartA)  is a four-chambered muscular pump.B)  is posterior to the trachea.C)  is lined with an epithelial layer called the epicardium.D)  lies mostly to the right of the midline of the sternum.E)  has a superior apex and an inferior base.

Rachel Hager · Accepted Answer

Final Answer : A, Explanation :  The heart is indeed a four-chambered muscular pump, consisting of two atria and two ventricles, designed to circulate blood throughout the body.

The heart

A) is a four-chambered muscular pump.
B) is posterior to the trachea.
C) is lined with an epithelial layer called the epicardium.
D) lies mostly to the right of the midline of the sternum.
E) has a superior apex and an inferior base.

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