The Brain/peripheral System

Front 1

Cerebellum

Back 1

Hindbrain.

Controls muscle coordination and balance

Front 2

Medulla Oblongata

Back 2

Hindbrain.

controls subconscious activities such as heart rate, BP, breathing, swallowing, vomiting.

Front 3

Pons

Back 3

Hindbrain.

Relays info between cerebellum and cerebral cortex.

Front 4

MIDBRAIN

Back 4

receives specific sensory input, connects hindbrain to forebrain.

Front 5

Thalamus

Back 5

Forebrain

Connects various parts of brain, relays info from senses except smell. "Great Relay Station."

Front 6

Hypothalamus

Back 6

Regulates pituitary gland, heart rate, blood pressure and temperature, controls drives such as hunger, thirst, sexual desire.

Front 7

Cerebrum

Back 7

Divided into right and left cerebral hemispheres, contain centres for intellect, memory, consciousness and language. Interprets and controls the response to sensory information. Conscious

efforts to control body responses.

Front 8

Somatic System

Back 8

Voluntary control, its sensory neurons carry info about the external environment inward.

Front 9

Autonomic System

Back 9

Internal reactions.

Sympathetic nervous system- epinephrine and norepinephrine.

Parasympathetic-"rest and digest".

Uses acetylcholine to control organ responses.

Front 10

Grey Matter

Back 10

Unmyelinated axons, cell bodies, dendrites, in brain the grey is on the outside and in the spinal cord the grey in on the inside.

Front 11

White Matter

Back 11

Myelinated axons that run in tracks, inner region of brain and outer region of spinal cord.