what are the different parts of the human nervous system
Answers
The human nervous system consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal chord. The PNS consists mainly of nerves, which are long fibers that connect the CNS to every other part of the body..
Hey yaar pls mark it as the brainliest..
There are three types of nervous system.
The nervous system of human beings consists of central, peripheral nervous system and autonomic nervous system.
1) Central Nervous system
Central nervous system in human beings is highly developed and consists of
(i) Brain
It is the coordinating centre of the body. It is soft, whitish, larger sized organ which is protected by cranium in the skull. The brain is broadly divided into three parts they are forebrain, midbrain and Hindbrain. All this three types of brain have different functions in control and coordination in the human body.
It consists of 12 pair of crainal nerves.
(ii) Spinal Cord
It is long, soft, whitish, cylindrical rod present in the nerual canal of vertebral column. It consists of 31 pair spinal nerve which arise from spinal cord.
It conducts sensory and motor impulse to and fro from the brain. It also controls the reflex actions of the body.
2) Peripheral Nervous system
The PNS comprises of all the nerves of the body associated with CNS. It consists of 12 pair of crainal and 31 pair of spinal nerve.
The nerves from the brain and the spinal cord connect the skeletal muscles and control their activity according to the directions and demands of the body.
3) Autonomic Nervous system
It is divided into two subdivision, sympathetic and parasympathetic
(i) Sympathetic nervous system prepare the body for violent action against abnormal condition.
(ii) Parasympathetic nervous system is more concerned with re-establishing normal condition after the violent act is over.
Hope this helps....:)