The Layer of the Heart Wall That Receives the Stimulus

Question

The layer of the heart wall that receives the stimulus from letter E is called the ________.
A) pericardium
B) epicardium
C) endocardium
D) myocardium

Accepted Answer

The myocardium is the muscular layer of the heart wall that contracts in response to electrical stimuli, such as those indicated by letter E, typically representing electrical signals that trigger heart contractions.