Advertisements
Advertisements
प्रश्न
State the main function of the Eustachian tube
Advertisements
उत्तर
Equalises air pressure on either sides of the eardrum allowing it to vibrate freely
संबंधित प्रश्न
Write short notes on the following Ear ossicles
For human ears, the audible range is 20 Hz to 20,000 Hz.
Sclerotic layer or choroid layer.(Which one forms the Iris ?)
Name the following:
The nerves which transmit impulse from ear to the brain.
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
There are three small bones in the muddle ear – anvil, hammer and stirrup :
(a) Which of these bones is in touch with ear-drum ?
(b) Which of these bones is in touch with oval window ?
Describe the structure and function of the human ear?
List the causes of noise pollution.
Define the following term:
Ear ossicles
Give reason:
Three small bones of ear ossicles are advantageous as compared to one single bone for hearing.
