MUSCLE PHYSIOLOGY

Detailed explanation-1: -Cardiac muscles are involuntary that is we don’t have any control over them. Therefore cardiac muscles are not voluntary and syncytial.

Detailed explanation-2: -Cardiac muscle, like skeletal muscle, is made up of sarcomeres that allow for contractility. However, unlike skeletal muscle, cardiac muscle is under involuntary control.

Detailed explanation-3: -Unlike the skeletal muscle, the cardiac muscle is controlled by the autonomic nervous system. Action potentials in the cardiac muscle are generated by the autorhythmic cells located in the sinoatrial node of the heart.

Detailed explanation-4: -Smooth muscles-sometimes also called involuntary muscles-are usually in sheets, or layers, with one layer of muscle behind the other. You can’t control this type of muscle. Your brain and body tell these muscles what to do without you even thinking about it.

Detailed explanation-5: -Skeletal muscles are under our conscious control, which is why they are also known as voluntary muscles. Another term is striated muscles, since the tissue looks striped when viewed under a microscope.