Which layer of the heart is responsible for contracting in order to pump blood?
a. endocardium
b. epicardium
c. pericardium
d. myocardium
Answer: D
Which layer of the heart is responsible for contracting in order to pump blood?
a. endocardium
b. epicardium
c. pericardium
d. myocardium
Answer: D
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.