Nervous system and the senses

Central nervous system

The central nervous system is the part of the nervous system that functions to coordinate the activity of all parts of the bodies of multicellular organisms.

It contains the majority of the nervous system and consists of the brain and the spinal cord.

Peripheral Nervous system

Together with the peripheral nervous system it has a fundamental role in the control of behavior.

The neurons can be functionally divide in three ways:
- Sensory (afferent) -> Carry information INTO the central nervous system from sense organs of motor. (efferent) -> Carry information away from the nervous system (for muscle control).
- Cranial -> Connects the brain with the periphery or spinal - connects he spinal cord with the periphery.
- Somatic -> Connects the skin or musclewith the central nervous system or visceral - connects the internal organs with the central nervous system.