Parts of Nervous System. Nervous System: Nervous system is the chief controlling and coordinating system of the body. It controls and regulates all activities of the body, whether voluntary or involuntary, and adjusts the individual (organism) to the given surroundings.
1.Skeletal muscles are attached to the bones. Smooth muscles line up the visceral organs viz. Intestines,blood vessels,pupils etc (therefore also known as visceral muscles.) 2.Skeletal muscles perform voluntary actions. Smooth muscles are responsible for involuntary reflexes and actions.
Skeletal muscle is the voluntary muscle in which contraction occurs with conscious thought; but cardiac and smooth muscles are involuntary in which contraction occurs without conscious thought. Skeletal Muscle. Based on its structure skeletal muscle is called striated muscle.ardiac muscle is specifically found in the myocardium of the heart, and it is a striated and involuntary muscle. Cardiac muscle is composed of cardiac muscle cells, which are called cardiomyocytes, which have one, two, or rarely three or four nuclei.