Question
What is the majority of the mass of the heart composed of?
a. Endocardium
b. Myocardium
c. Pericardium
d. Endothelium
a. Endocardium
b. Myocardium
c. Pericardium
d. Endothelium
Answers
PsyDAG
Since the heart is a big muscle and "myo-" refers to muscle, guess which one I would choose.
Anonymous
myocardium