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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
Answer the following:
Which part of the ear determines the pitch of a sound?
The number of oscillations per second of a vibrating object is called its time period.
find odd one from following: Malleus, iris, Stapes, Incus.
(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.
Give scientific reasons: We cannot distinguish colours in moonlight.
Name the part of the ear associated with hearing.
Draw a labeled diagram of the inner ear. Name the part of the inner ear that is responsible for static balance in human beings.
The hearing range of the human ear is ______.
The spiral organ possessing sensory cells for hearing is ______.
Which of the following structures equalises the air pressure on either side of the tympanum?
