CNS: Central Nervous System
Brain and Spinal Cord
Upper motor neurons
PNS: Peripheral Nervous System
Cranial Nerves
Spinal Nerves
Connect the CNS w/ rest of the body
Motor Nerves
Sensory Neves
Mixed Nerves
Lower motor neurons
Motor – Instructs the body to do something (output)
Voluntary (walking) & involuntary (secretion, peristalsis)
Sensory – Collects information brings it back to the brain = sensation
Nociception, taste, smell, hunger, thirst, vision, hearing, proprioception
Integrating – Processes, stores information, cognitive thinking
Memory, learning, emotion
Nerve Cells
Consist of Dendrites, Axons, and Cell bodies
Send signals to all parts of the body