Asked by Ethan Charoenpap on Sep 24, 2024
Verified
The innermost layer of the heart is the:
A) endocardium.
B) epicardium.
C) myocardium.
D) pericardium.
Endocardium
The innermost lining of the heart, which provides a smooth surface for blood to flow within the heart chambers and valves.
Pericardium
The protective sac of tissue surrounding the heart, helping to support and protect it while allowing it to function efficiently.
Myocardium
The muscular tissue of the heart wall, responsible for the contractile force to pump blood.
- Pinpoint the parts and laminations of the heart, along with their functionalities.
Verified Answer
SS
Sanzana subedi1 day ago
Final Answer :
A
Explanation :
The innermost layer of the heart is the endocardium, which lines the inside of the heart chambers and covers the heart valves. The epicardium is the outermost layer, the myocardium is the middle layer consisting of cardiac muscle, and the pericardium is the sac that surrounds and protects the heart.
Learning Objectives
- Pinpoint the parts and laminations of the heart, along with their functionalities.