Nervous System Overview

The network of neurons that transmits signals throughout the body.

Central Nervous System, comprising the brain and spinal cord.

Peripheral Nervous System, includes all parts outside the CNS.

Part of PNS that controls voluntary movements.

Part of PNS that controls involuntary actions.

CNS and PNS are the primary divisions.

Movements that are consciously controlled.

Actions that happen automatically, without conscious thought.

Cells that transmit signals in the nervous system.

Includes sensation, motor control, and homeostasis.