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प्रश्न
Name the following:
The ear ossicle in contact with the oval window of the inner ear.
Name the following:
The ear ossicle which opens into the oval window of Cochlea.
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उत्तर
Stapes
संबंधित प्रश्न
Lightning and thunder take place in the sky at the same time and at the same distance from us. Lightning is seen earlier and thunder is heard later. Can you explain?
Eye : Optic nerve : : Ear : ___________
State the exact location of the Ciliary body
There are three small bones in the muddle ear – anvil, hammer and stirrup :
(a) Which of these bones is in touch with ear-drum ?
(b) Which of these bones is in touch with oval window ?
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
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.
State the functions of the following:
Semi-circular canals
Assertion: Human beings Cannot hear infrasonic sounds.
Reason: Sound with a frequency less than 20 Hz is called infrasonic sound.
The Eardrum moves inward when a rarefaction reaches it.
Given below is a diagrammatic representation of a part of the human ear.
- Name the parts numbered 1-6.
- Which parts of the ear shown here are complete.
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