Question

muscler wall of heart?​

Answer 1

Answer:

Cardiac muscle is present in heart. Muscular layer of heart is called myocardium. If you are asking about the muscular layer which separate  heart into 2 sides, it is called septum.

Explanation:

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Answer 2

Answer:

the muscle layer of the heart is termed the myocardium and is made up of cardiomyocytes .

the myocardium is found in the walls of all four chambers of the heart, though it is thicker in the ventricles and thinner in the atria .