Ear is made up of ____ parts.

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Detailed Solution

Concept: Ear is the organ of hearing in mammals. It consists of three parts-
Pinna is the visible external part of the ear and acts as a funnel directing sound further into the ear and also helps in overcoming inside and outside pressure.
The middle ear is the part between the eardrum and oval window which consists of three bones- malleus, incus, stapes. It helps in transmitting vibrations to oval windows and round windows.
The Eustachian tube is also present in the middle ear helping in equalizing pressure.
The inner ear consists of cochlea, vestibular and auditory nerves.
It transforms sound waves into electric impulses.
The auditory nerves carry information from the cochlea to the brain.
Functions-
The most important function of the ear is to detect, transmit and transducer sound.
It also helps in maintaining balance of our body.
Hence, the correct answer is three.

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