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प्रश्न
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.
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उत्तर
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- Pinna
- Ear drum
- Ear canal
- Hammer
- Semi-circular canal
- Cochlea
- Vestibular portion of auditory nerve.
- Eustachian Tube
- Part 6 (Cochlea): It contains sensory cells for hearing.
Part 7 (Auditory Nerve): It transmits the impulse of hearing to the brain.
Part 8 (Eustachian Tube): It equalises air pressure on both sides of the tympanum. - Sharp objects may damage the (part 3) ear drum and cause deafness. Deafness can result from eardrum or tympanic ruptures.
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संबंधित प्रश्न
Write short notes on the following Ear ossicles
The unit of frequency is ______.
find odd one from following: Malleus, iris, Stapes, Incus.
Differentiate between the Rods and Cones of Retina (Type of pigment)
Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
Name the following:
Part of internal ear related to balance.
Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea.
Mention, if the following statement is True or False
Deafness is caused due to the rupturing of the pinna.
The spiral organ possessing sensory cells for hearing is ______.
Define the following term:
Ear ossicles
