What 3 things make up 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.

What are the 3 nervous systems?

It has three parts: The sympathetic nervous system. The parasympathetic nervous system. The enteric nervous system.

What are the 3 main organs of the nervous system?

The Human Nervous System: The major organs and nerves of the human 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.

What is the nervous made out of?

neurons
It is composed of neurons, also known as nerve cells, which receive and transmit impulses, and neuroglia, also known as glial cells or glia, which assist the propagation of the nerve impulse as well as provide nutrients to the neurons. Nervous tissue is made up of different types of neurons, all of which have an axon.

What are the 4 main functions of the nervous system?

The four main functions of the nervous system are:
  • Control of body’s internal environment to maintain ‘homeostasis’ An example of this is the regulation of body temperature. …
  • Programming of spinal cord reflexes. An example of this is the stretch reflex. …
  • Memory and learning. …
  • Voluntary control of movement.