Asked by samuel lainez on Jun 06, 2024
Verified
The middle layer of the heart is the:
A) endocardium.
B) epicardium.
C) myocardium.
D) pericardium.
Myocardium
The myocardium is the thick, muscular middle layer of the heart wall, responsible for contracting and pumping blood throughout the body.
Epicardium
The outermost layer of the heart wall, forming part of the heart's protective covering and contributing to the heart's lubrication system.
Endocardium
The innermost layer of tissue that lines the chambers of the heart.
- Distinguish between the different segments and tiers of the heart, comprehending their purposes.
Verified Answer
TB
Tiffany BudavichJun 11, 2024
Final Answer :
C
Explanation :
The middle layer of the heart is the myocardium, which is made up of cardiac muscle tissue responsible for the contraction and pumping of blood. The endocardium is the inner layer lining the chambers of the heart, the epicardium is the outer layer covering the heart, and the pericardium is a sac surrounding and protecting the heart.
Learning Objectives
- Distinguish between the different segments and tiers of the heart, comprehending their purposes.