In simple words, the importance of the nervous system for the body.

The nervous system is a network of small nerve fibers that connect all cells and tissues of the body. At the head of the nervous system is the spinal cord and the brain, which literally “direct” the work of all nerve fibers. Their main function is to be connecting parts, to let the body work as a whole, to control the correct functioning of all internal organs and systems – the digestive tract, cardiovascular system, urinary system and others. A disruption in the work of nerve fibers leads to a breakdown of all organs.