the ear: functions Flashcards
(11 cards)
What is the function of the pinna?
It collects and directs sound waves into the ear canal.
What is the function of the auditory canal?
It channels sound waves to the tympanic membrane.
What is the function of the tympanic membrane?
It vibrates in response to sound waves.
What is the function of the ossicles?
They amplify and transmit vibrations to the oval window of the cochlea.
What is the function of the Eustachian tube?
It equalizes air pressure between the middle ear and the environment.
What is the function of the oval window?
It transmits vibrations from the ossicles into the inner ear.
What is the function of the cochlea?
It converts sound vibrations into nerve impulses.
What is the function of the organ of Corti?
It detects sound vibrations and sends signals to the brain via the auditory nerve.
What is the function of the semi-circular canals?
They detect changes in speed and direction of head movement.
What is the function of the cristae in the ampullae?
They respond to movement of fluid when the head moves, helping to maintain balance
What is the function of the maculae in the utriculus and sacculus?
They detect the position of the head in response to gravity.
