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प्रश्न
Given below is the diagram of the human ear. Study the same and answer the questions that follow:
(i) Give the biological term for the part labeled ‘A’ and state its function.
(ii) Name the part labeled ‘B’ and state its function.
(iii) Name the part labeled ‘C’ and state its function.
(iv) Give the function of ear wax.
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उत्तर
(i) Ear Ossicles (Malleus, incus, and stapes)—To receive, magnify and transmit the sound vibrations to the membrane of the oval window.
(ii) Eustachian tube—It equalizes the air pressure on either side of the eardrum allowing it to vibrate freely.
(iii) Auditory Nerve—It transmits the impulses from cochlea to the brain.
(iv) Ear wax-has insect repellent properties hence prevent the entry of insects in the auditory canal. It also checks to die entry of dust particles in the ear. Thus, it lubricates and protects the eardrum.
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संबंधित प्रश्न
For human ears, the audible range is 20 Hz to 20,000 Hz.
Eye : Optic nerve : : Ear : ___________
State the main function of the Eustachian tube
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
Differentiate between:
The middle ear and Inner ear.
The part of the ear that collects the sound from the surroundings is ______.
Vibrating particles travel all the way from the vibrating objects to the ear.
Select the option with incorrect identification:
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
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- Give the collective biological term for Malleus, locus and Stapes.
- Name the parts labelled A, B and C in the diagram.
- State the functions of the parts labelled 'A' and 'B'.
- Name the audio receptor region present in the part labelled 'A'.
