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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
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संबंधित प्रश्न
For human ears, the audible range is 20 Hz to 20,000 Hz.
Given below is a representation of a kind of pollution. Study the same and answer the questions that follow
(i) Name the kind of pollution.
(ii) List any three common sources of this pollution.
(iii) Mention three harmful effects of this pollution on human health.
(iv) Explain the term ‘Pollutant’.
(v) Name two soil pollutants
the biological/technical terms for a thin membrane covering the entire front part of the eye.
Name the following:
The part which equalises the air pressure in the middle and external ear.
Given below is a diagram of a part of the human ear. Study the same and answer the question that follow:
Name the audio receptor region present in the part labeled 'A'.
State the Location:
Semicircular canals
Choose the Odd One Out:
Mention the name of passage is the outer ear which carries sound waves to the eardrum.
The Eardrum moves inward when a rarefaction reaches it.
Which of the following structures equalises the air pressure on either side of the tympanum?
