Q956
Which is the innermost layer of the heart?
A.
Epicardium
B.
Endocardium
AnswerC.
Myocardium
D.
Pericardium
Answer: Option B
Solution
Answer: Option B
Solution:
The inner layer of the heart wall is the endocardium, composed of endothelial cells that provide a smooth, elastic, non-adherent surface for blood collection and pumping.