Cardiac muscle tissue,or _____,makes up the major portion of the heart.
A) myocardium
B) pericardium
C) endocardium
D) septum

Question

Cardiac muscle tissue,or _____,makes up the major portion of the heart.​
A) ​myocardium
B) ​pericardium
C) ​endocardium
D) ​septum

Quizplus · Accepted Answer

The myocardium is the middle layer of the heart and is primarily composed of cardiac muscle tissue. It is responsible for the contraction of the heart and the pumping of blood throughout the body. The pericardium is the outer layer of the heart and the endocardium is the inner layer, while the septum is a wall that separates the left and right sides of the heart.

Cardiac Muscle Tissue,or _____,Makes Up the Major Portion of the Heart.​

Cardiac Muscle Tissue,or _____,Makes Up the Major Portion of the Heart.