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प्रश्न
The following diagram refers to the ear of a mammal.
(i) Label the parts 1 to 10 to which the guidelines point.
(ii) Which structure:
(a) converts sound waves into mechanical vibrations?
(b) Converts vibrations into nerve impulses?
(c) Responds to change in position?
(d) Transmits impulses to the brain?
(e) Equalizes atmospheric pressure and pressure in the ear.
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उत्तर
(i)
1. Cochlea.
2. Auditory nerve.
3. Semi-circular canals.
4. Ear ossicles.
5. Auditory meatus.
6. Pinna.
7. Er drum.
8. Fenestra rotunda.
9. Eustachian tube.
10. Fenestra ovalis.
(ii)
(a) Ear drum or tympanum.
(b) An organ of Corti.
(c) Semi-circular canals.
(d) Auditory nerve.
(e) Eustachian tube.
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संबंधित प्रश्न
Which part of our body helps us in maintaining the body balance?
The unit of frequency is ______.
Mention the exact location of the Eustachian tube
State the exact location of the Ciliary body
State the functions of the following:
Semi-circular canals
Complete the following sentence with appropriate Word
The parts of the human ear concerned with hearing are :
The range of audible frequency for the human ear is
Vibrating particles travel all the way from the vibrating objects to the ear.
Categorise the following parts under (i) external, (ii) middle and (iii) internal ear.
Ear drum, hammer, pinna, cochlea, anvil, stirrup, eustachian tube, tympanum, oval window, semi-circular canals.
Note the relationship between the first two words and suggest the suitable word/words for the fourth place.
Ears: Auditory nerve :: Eyes : ______.
