MICROANATOMY

Detailed explanation-1: -Cardiac muscle cells are located in the walls of the heart, appear striped (striated), and are under involuntary control. Smooth muscle fibers are located in walls of hollow visceral organs (such as the liver, pancreas, and intestines), except the heart, appear spindle-shaped, and are also under involuntary control.

Detailed explanation-2: -Cardiac muscles are said to be involuntary because they are not controlled by our will. These muscles are found in heart and are the only muscles which work throughout the life without getting tired or fatigue.

Detailed explanation-3: -Cardiac muscles are voluntary muscles.

Detailed explanation-4: -Cardiac muscle differs from skeletal muscle in that it exhibits rhythmic contractions and is not under voluntary control.

Detailed explanation-5: -Cardiac involuntary muscle Cardiac muscles are the involuntary muscles that are striated. These muscles are found on the wall of the heart and contract and relax at regular intervals. Individual heart muscle cells are known as cardiomyocytes.