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प्रश्न
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
State the functions of the parts labeled 'A' and 'B'.
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उत्तर १
Cochlea helps in transmitting impulses to the brain via the auditory nerve. Semicircular canals help in maintaining dynamic equilibrium of the body.
उत्तर २
A is concerned with the sense of hearing. B is concerned with the sense of dynamic balance.
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संबंधित 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.
State the exact location of the Organ of Corti
Name the three ear ossicles.
Name the three tiny bones present in the middle part of ear.
Write whether the following is true or false:
The part of the ear associated with balance is the cochlea.
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the audio receptor region present in the part labeled 'A'.
Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea.
The Eardrum moves inward when a rarefaction reaches it.
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.
