- Detection of both internal environment and external environmental changes of the body.
- Conduction of Information.
- Integration of Information.
- Respond to stimuli.
What are the main functions of the nervous system?
The nervous system is the major controlling, regulatory, and communicating system in the body. It is the center of all mental activity including thought, learning, and memory. Together with the endocrine system, the nervous system is responsible for regulating and maintaining homeostasis.
What are the 4 major function of the nervous system?
First, the basic functions of the nervous system are sensation, integration, and response . Secondly, control of the body can be somatic or autonomic—divisions that are largely defined by the structures that are involved in the response.
What is nervous system with diagram?
The Central Nervous System is the integration and command center of the body. It consists of the brain, spinal cord and the retinas of the eyes. The Peripheral Nervous System consists of sensory neurons, ganglia (clusters of neurons) and nerves that connect the central nervous system to arms, hands, legs and feet.
What are the 5 main parts of the nervous system?
The nervous system consists of the brain, spinal cord, sensory organs, and all of the nerves that connect these organs with the rest of the body. Together, these organs are responsible for the control of the body and communication among its parts.
What is the two part of nervous system?
The nervous system is made up of the central nervous system and the peripheral nervous system : The brain and the spinal cord are the central nervous system. The nerves that go through the whole body make up the peripheral nervous system.
What is the main nervous system?
The central nervous system is made up of the brain and spinal cord. The peripheral nervous system is made up of nerves that branch off from the spinal cord and extend to all parts of the body.
What is the most important part of the nervous system?
The brain and the spinal cord make up the central nervous system. The nervous system is the most complex and highly organized body system. It receives information from the sensory organs via nerves, transmits the information through the spinal cord, and processes it in the brain.
What is nervous system short answer?
The nervous system is a body system which sends signals around the body . It lets animals respond to what is around them. The central nervous system is the brain, the spinal cord, and nerves. It is present in almost all animals. ... The brain has billions of nerve cells to help think, walk, and breathe.
Which organ is part of our nervous system?
The brain and the spinal cord are the central nervous system. The nerves that go through the whole body make up the peripheral nervous system.
Why the nervous system is the most important?
Control of all bodily processes
Next to sensing and acting, the nervous system controls all processes in the body. It can stimulate tissues to produce hormones and enzymes. It stimulates the involuntary movement of muscles such as the heart and the bowels.
What is the purpose structure and function of the central nervous system?
The central nervous system (CNS) controls most functions of the body and mind . It consists of two parts: the brain and the spinal cord. The brain is the center of our thoughts, the interpreter of our external environment, and the origin of control over body movement.
How is nervous system classified?
The nervous system can be divided into two major regions: the central and peripheral nervous systems . The central nervous system (CNS) is the brain and spinal cord, and the peripheral nervous system (PNS) is everything else (Figure 8.2).
What is nervous system for class 5th?
The nervous system includes the brain, nerves and spinal cord . It is the communication center for the body, sending and receiving messages, regulating body functions and serving as the control center for the five senses and for emotions, speech, coordination, balance, and learning.
Are eyes in the nervous system?
As a part of the CNS, the eye—particularly the retina—must maintain regulated interactions with the immune system , and is, in fact, an immune-privileged site.
What is the cause of nervous system disorders?
Some serious conditions, diseases, and injuries that can cause nervous system problems include: Blood supply problems (vascular disorders). Injuries (trauma), especially injuries to the head and spinal cord. Problems that are present at birth (congenital).
