topic 2a, BRAIN

3 layers called Meninges

-Shock absorber
-Circulates between meninges and through the centre of the spinal cord
-Carries nutrients to brain cells
-Relays wastes from brain cells to the blood

Doctors can extract fluid to diagnose infections
ex. meningitis

Body to brain

Brain to Body

Voluntary, brings info ab external envionment to CNS

Involuntary, brings info ab internal environment to CNS

Brings sensory info to the spinal cord

Carries motor info from spinal cord to peripheral muscles, organs, and glands
-Ventre means Stomach

-Outer Layer of the brain
-Left and Right connected by Corpus Callosum
-LEFT VERBAL SKILLS
-RIGHT VISUAL./SPACIAL AWARENESS

-Conscience thought
-Intelligence/memory
-Personality
-Voluntary muscle movement
-Doesnt develop until 25 yrs

Processes body position and recieves sensory info
Proprioception (POSITION/ORIENTATION)

Auditory response
Retrieves visual/verbal memories

Processes visual info

Controls muscle coordination and balance
'LITTLE BRAIN!'
Coordinated movements and involved w motor learning

COntrols subconscience activities
-heartrate, BP, breathing, swallowing, ect.
-INVOLUNTARY
-Stimulates
-Relay centre of incoming/outgoing info

Maintains internal equilibrium
BIG BOSS
Controls Autonomic Nervous System
-Regulates hunger, thirst, sex drive
-Connected and controls pituitary gland function

Recieve info ab smells