Recall the three layers of muscles in the wall of the heart. which lists these muscles in order from closest to the blood inside the chamber to farthest from the blood? a. epicardium, myocardium, endocardium b. myocardium, endocardium, epicardium c. endocardium, myocardium, epicardium d. endocardium, epicardium, myocardium

The correct answer is C. Endocardium, myocardium, epicardium

Explanation:

In anatomy, the heart is the organ that pumps blood to all the parts and organs in the body, this is essential because it provides oxygen and nutrients to organs which is necessary for multiple functions. Additionally, the heart and the different chambers in it are composed of muscle that has three main different layers, these are the endocardium, myocardium, and epicardium.

The endocardium as it names indicates in innermost layers or the one that is in direct contact with the blood; the myocardium is the middle layer and the thickest one, also this layer is important because it makes the heart firm; finally, the epicardium is the outer membrane of the hearth that protects and covers it. Thus, the layers of the heart from the closes to the blood inside the chamber to the farthest from the blood are endocardium, myocardium, epicardium.

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