The Central Nervous System

The human brain. The "control center." What does it control?

Practically everything. From breathing and heartbeat to reasoning, memory, and language. And it is the main part of the central nervous system.

Central Nervous System

The nervous system has two main divisions: the central nervous system and the peripheral nervous system (see Figure below ). The central nervous system (CNS) includes the brain and spinal cord (see Figure below ). 

The two main divisions of the human nervous system are the central nervous system and the peripheral nervous system. The peripheral nervous system has additional divisions.

Components of the central nervous system

This diagram shows the components of the central nervous system.

CK-12 Foundation, http://creativecommons.org/licenses/by-nc-sa/3.0/