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.
Compared to skeletal muscle, smooth-muscle cells are small. They are spindle-shaped, about 50 to 200 microns long and only 2 to 10 microns in diameter. They have no striations or sarcomeres. Instead, they have bundles of thin and thick filaments (as opposed to well-developed bands) that correspond to myofibrils.
Answer Wiki. Skeletal muscle is what creates voluntary movement. Smooth muscle lines our intestines and keeps food moving through our GI system. You have no conscious control over it. Cardic muscle is what our heart is made of, again no conscious control. Views Â· View Upvotes.