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sense anatomy
brain and senses
| Term | Definition |
|---|---|
| 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
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