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प्रश्न
The figure below is the sectional view of a part of the skull showing a sense organ:
What do you call the part shown in the form of a spiral? What is its function?
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उत्तर
Cochlea. The vibrating movements in the hair of the sense cells of cochlea transmit the impulse for hearing to the brain via auditory nerve.
संबंधित प्रश्न
Explain how the human ear works.
The number of oscillations per second of a vibrating object is called its time period.
Mention the exact location of the Semi-circular canals
State the exact location of the Ciliary body
(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.
Name the following:
The nerves which transmit impulse from ear to the brain.
State whether the following statements are true (T) or false (F). If false, correct them by changing any one single word in each.
Deafness is caused due to rupturing of the pinna.
With reference to the human ear, answer the question that follow:
Name the nerve, which transmits messages from the ear to the brain.
Long answer question
Draw the neat labelled diagram of the human ear.
The part of the inner ear which is responsible for hearing is ______.
