Advertisements
Advertisements
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.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
find odd one from following: Malleus, iris, Stapes, Incus.
Briefly explain the following terms: Power of accommodation
The exact location of the Yellow spot
Name the following:
The nerves which transmit impulse from ear to the brain.
Mention if the following statement is true (T) or false (F) Give reason.
Malleus incus and stapes are collectively called the ear ossicles.
Given below is a set of five parts. Rewrite them in correct sequence.
Cochlea, tympanum, auditory canal, ear ossicles, oval window.
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
Choose the correct answer.
Labyrinth is a part of ____________
In the inner ear, the pressure variations are turned into electrical signals by the ______.
Define the following term:
Ear ossicles
