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sense anatomy

brain and senses

brain the primary organ
cerebrum complex though part of brain
cerebellum coordinates movement pert of brain
medulla involuntary vital functions part of brain
spinal cord main nerve 31 of them
vertebrae protects spinal cord
nerve cells sends message using electrical signals
synapse space between nerves
cornea focuses light to pupils and lens, clear layer outside your eye
pupil light rays get inside your eye
iris in front of your pupil, eye color
lens focuses light to back of the eye
retina where images are formed
cones and rods light receptors
optic nerve the path from eye to nerve
sclera protects the eye
pinna outer part of the ear funnels sound to the ear canal, part of the outer ear
ear canal funnels sound to the eardrum, part of the outer ear
eardrum sends waves to the middle ear, part of the outer ear
ossicle made out of three bones smallest bones in the body
hammer sends waves into the anvil
anvil sends waves too the stirrup
stirrup sends waves to the inner ear
semicircle canal maintain balance
cochlea turns waves into electrical signals
auditory nerve the path from ear to brain
olfactory nerve fibers takes food molecules and sends info to your brain
saliva water like substance in your mouth
Created by: batmanis