Tissue layers making up the heart wall include which of the following?
1) Endocardium
2) Epicardium
3) Myocardium
A)1, 2, and 3
B)2 and 3 only
C)2 only
D)1 and 3 only

Question

Quizplus · Accepted Answer

The heart wall is composed of three tissue layers: the outermost epicardium, the middle layer of myocardium, and the innermost endocardium. Therefore, options 1, 2, and 3 are all correct.

Tissue Layers Making Up the Heart Wall Include Which of the Following