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प्रश्न
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
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उत्तर
(i)
(ii)
1: Cochlear duct
2: Semicircular canal
3: Oval window
4: Endolymph
5: Sensory cells in semicircular canals
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संबंधित प्रश्न
Explain how the human ear works.
The exact location of the Yellow spot
Give technical terms for The nerve which transmits impulses from the ear to the brain
Mention if the following statement is true (T) or false (F) Give reason.
The auditory nerve is purely for perceiving sound
Where is the Semicircular canals located? Briefly mention its function.
Name the three ossicles of the middle ear.
Select the CORRECT match of part of the human ear and its function.
The part of the ear that turns pressure variations into electrical signals is ______.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Semi-circular canal : Ampulla :: Cochlea : ______.
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.
