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gabbys stack 2
| Question | Answer |
|---|---|
| cornea | window of eye-recieves light |
| conjunctiva | thin moist lining of lid |
| choriod | iris and pupil function |
| lens | focuses |
| retina | detects light-innermost layer- contains rods for night vision and cones for day vision |
| Glycoma- | damages optic nerve |
| visual pathway | light-retina-nerve-brain |
| fluids of eyeball- | aqueous humor- front of lens viterious humor-back of lens-jelly like |
| blind spot | no receptors |
| caterax | light can't reach |
| hearing | sound waves |
| equilibruim | position changes - inner ear |
| balance | respond to movement or vibration |
| structure of external ear | auricle (pinna) -part u can see external auditory canal- tube leading to ear curving canal-2.5 cm 1 inch in length contains ceruminous glands ends ar tympatic membrane-ear drum- where sound hits first |
| fluid outside | perilymph |