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प्रश्न
State the main function of the Eustachian tube
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उत्तर
Equalises air pressure on either sides of the eardrum allowing it to vibrate freely
संबंधित प्रश्न
Time taken by an object to complete one oscillation is called ___________.
Eye : Optic nerve : : Ear : ___________
Given below is certain structure. Write against them its functional acivity.
organ of corti and ……………….
Name the three ear ossicles.
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 ?
Complete the following sentence with appropriate word :
________ is the organ of balance and hearing in the body.
State the Function:
Endolymph
Select the option with incorrect identification:
Define the following term:
Ear ossicles
The figure given below shows the principal parts of a human ear. Study the diagram and answer the following questions.
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- Label the parts 1 to 8.
- State the role of parts 6, 7 and 8.
- Why is it harmful to use a sharp object to remove ear wax? Mention the number and name of the part involved.
