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.
What are the 3 functions of the central nervous system?
The CNS is comprised of the brain, cerebellum and spinal cord. Remaining neurons, and associated cells, distributed throughout the body form the PNS. The nervous system has three broad functions: sensory input, information processing, and motor output.
What are the 4 main functions of the central nervous system?
The 4 main functions of the nervous system are:
- Reception of general sensory information (touch, pressure, temperature, pain, vibration)
- Receiving and perceiving special sensations (taste, smell, vision, sounds)
- Integration of sensory information from different parts of the body and processing them.
- Response generation.
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.
- Afferent, Efferent, and Mixed Nerves. …
- Cranial Nerves. …
- Spinal Nerves.
What is the main function of the nervous system and how is it structured?
The nervous system is involved in receiving information about the environment around us (sensation) and generating responses to that information (motor responses). The nervous system can be divided into regions that are responsible for sensation (sensory functions) and for the response (motor functions).
What is the largest nerve in the body?
The sciatic nerve is the largest and longest nerve in the human body, originating at the base of the spine and running along the back of each leg into the foot.
What organs are in the central 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.