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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
Draw labelled diagrams of the following: Ear
Which part of our body helps us in maintaining the body balance?
fill in the blanks with suitable functions: Ciliary body and __________.
Give technical terms for The nerve which transmits impulses from the ear to the brain
The three parts of human ear contributing in hearing are-
Differentiate between:
The middle ear and Inner ear.
Mention, if the following statement is True or False
The part of ear associated with balance is the cochlea.
The hearing range of the human ear is ______.
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.
With reference to human ear answer the question that follow:
Name the part of the ear associated with Static balance.
