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प्रश्न
Name the following:
The part which equalises the air pressure in the middle and external ear.
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उत्तर
Eustachian tube
संबंधित प्रश्न
fill in the blanks with suitable functions: Ciliary body and __________.
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Name that part of ear which vibrates when outside sound falls on it.
Name the nerve which carries electrical impulses from the cochlea of ear to the brain.
The figure below is the sectional view of a part of the skull showing a sense organ:
What are the parts labeled 'm', 'i' and 's'? What do these parts constitute collectively?
Long answer question
Draw the neat labelled diagram of the human ear.
Verify experimentally the laws reflection of sound.
The Eardrum moves inward when a rarefaction reaches it.
Where are the following located?
Eustachian canal
- Draw a neat and well labelled diagram of the membranous labyrinth found in the inner ear.
- Based on the diagram drawn above in (i), give a suitable term for each of the following descriptions:
- The structure responsible for hearing.
- The sensory cells that help in hearing.
- The membrane-covered opening that connects the middle ear to inner ear.
- The nerves that carry impulses from the ear to the brain.
- The tube which equalises the air pressure on either side of the ear drum.
