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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
Write short notes on the following Ear ossicles
Explain the following:
Mechanism through which a sound produces a nerve impulse in the inner ear.
Where is the Cochlea located? Briefly mention its function.
Given below is the diagram of the human ear. Study the diagram and then answer the questions that follow:
(i) What role does the eardrum play in hearing?
(ii) What common term is given to the parts labeled A, B, and E?
(iii) Would there be any difference if these three parts mentioned in (ii) above were replaced by one by one? Why?
(iv) Give the biological term for the parts labeled C and D.
(v) Name the fluid which fills the parts mentioned in (iv) above.
(vi) State the functions of the ear.
State the Location:
Semicircular canals
Select the CORRECT match of part of the human ear and its function.
In the inner ear, the pressure variations are turned into electrical signals by the ______.
Given below is a diagrammatic representation of a part of the human ear.
- Name the parts numbered 1-6.
- Which parts of the ear shown here are complete.
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With reference to human ear answer the question that follow:
Name the part of the ear associated with dynamic balance.
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
