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प्रश्न
How do the three ear ossicles contribute in the mechanism of hearing?
उत्तर
- Malleus: The hammer, the outermost of the three ossicles, is linked to the eardrum.
- Ficus: The intermediate bone in the ossicular chain, sometimes known as the anvil.
- Stapes: The stirrup, the innermost bone, has a footplate that fits into the oval window of the cochlea.
संबंधित प्रश्न
Which part of the human ear gives ‘ Dynamic balance’ to the body?
Give the biological terms for the three ear ossicles.
Distinguish between Semicircular canals and Utriculus based on their function.
The ear ossicle that transports sound vibrations to the inner ear:
Which part of the human ear gives ‘Static balance’ to the body?
Rahul inserted a hairpin into his right ear to remove ear wax. He felt a sudden sharp pain with loss of hearing. This was due to ______.
Read the explanation given below and name the structure:
A tubular passage that connects the pharynx and the middle ear.
Human ear is concerned with hearing only.
Pinna concentrates and directs sound waves towards tympanum.
Write the main functional activity of the following structure.
Cochlea
Write the main functional activity of the following structure.
Semicircular canal
Complete the following table by filling in the blank spaces.
| Structure | Function | ||
| 1. | ______ | (i) | Transfers impulse from inner ear to brain. |
| 2. | ______ | (ii) | Helps to change the focal length of the eye lens. |
| 3. | ______ | (iii) | Dynamic equilibrium |
