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प्रश्न
- 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.
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उत्तर
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- Cochlea
- Organ of Corti
- Oval window
- Auditory Nerve
- Eustachian Tube
संबंधित प्रश्न
The unit of frequency is ______.
(i) Draw a well labelled diagram of the membranous labyrinth found in the inner ear.
(ii) Based on the diagram drawn above in (i) give a suitable term for each of the following descriptions :
1. The sensory cells that helps in hearing.
2. The part that is responsible for static balance of the body.
3. The membrane covered opening that connects the middle ear to the inner ear.
4. The fluid present in the middle chamber of cochlea.
5. The structure that maintains dynamic equilibrium of the body.
State the exact location of the Organ of Corti
Perilymph or endolymph (Which one surrounds the organ of Corti ?)
Given below is certain structure. Write against them its functional acivity.
organ of corti and ……………….
Given below is the diagram of a part of the human ear. Study the same and answer the questions that follow:
 |
Give the collective biological term for Malleus, locus and Stapes.
Name that part of ear which vibrates when outside sound falls on it.
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.
______ is the smallest bone in the human body.
With reference to human ear answer the question that follow:
Name the part of the ear associated with the amplification of vibrations.
