How do the three ear ossicles contribute in the mechanism of hearing?

Answer in Brief

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.

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Human Ear - Functions of the Ear

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Chapter 11: Sense Organs - Review Questions [Page 159]

Chapter 11 Sense Organs
Review Questions | Q D. 7. ii. | Page 159

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 ______.

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