Central Nervous System

control center of the rest of the body, Composed of brain and spine. Regulates voluntary and involuntary functions of the body for us to breath, walk, and perform many other functions

head

brain

nerve

eye

ear

contains cell bodies, nuclei and dendrites, unmylinated axons

high concentrations of myelinated axons

Nerve cells, conduct nerve impulses

supporting cells, provide nutrition, support, and make the myelin sheath around axons of neurons

Four internal chambers that are filled with cerebrospinal fluid

Connective tissue membranes that surround the brain and spinal cord and lie between nervous tissue and bones

Responsible for higher mental functions

thick folds

grooves

Voluntary motor control, reasoning, planning, emotions, social judgement

Perceives sensations from skin, muscles, tendons, joint receptors

auditory center to receive signals from the ears, important in memory

Responsible for vision and eye coordination

Integrates sensory information from viscera, taste language function

Connects the two halves of the cerebrum. Carries nerve impulses between two cerebral hemispheres

Relay center for all sensory information except smell.

Responsible for regulating many types of behavior such as thirst and hunger, temp, sleep. Produces ADH and oxytocin

Also called hypophysis