This layer of the heart wall consists mostly of the cardiac muscle and is the thickest and middle layer of the heart wall?

asked May 10, 2021 169k views

4 votes

by Lode

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4 votes

Answer: Myocardium

Explanation: I go to college for nursing and already took this class so I know

Thegeek answered May 11, 2021

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5 votes

Myocardium

This layer surrounds and protects the heart.

Fred Lackey answered May 14, 2021

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