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Alberta Biology 30: The Eye & Ear Questions and Answers
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Alberta Biology 30: The Eye & Ear Questions and Answers
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Alberta Biology 30: The Eye & Ear Questions andAnswers
What is an accommodation reflex? - Answer adjustments of the lens for near and distant
images
What are cataracts? - Answer clouding of the lens; restricts light from entering the eye
What kind of receptor is the ear? - Answer mechanoreceptor for hearing & balance
What is the function of the pinna? - Answer cartilaginous flap of skin on the side of the
head; collects sound
What is the function of the auditory canal? - Answer cleans the air
What is the function of the tympanic membrane? - Answer separates the middle/outer ear;
vibrates when struck by sound
What are the function of the ossicles? - Answer links tympanum to inner ear; amplify
vibration
What is the function of the Eustachian tube? - Answer equalizes pressure; allows air to pass
from middle ear to back of throat
What is the function of the cochlea? - Answer snail shaped device; identifies sound waves;
coverts them into action potentials
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