External ear consists of the projecting part made up of cartilage called _____.

malleus

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incus

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stapes

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pinna

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Solution

The correct option is D pinna
The external ear consists of pinna and external auditory meatus (ear canal). Pinna is the outer projecting part. It is made up of elastic cartilage. It is covered with skin and leads to the ear canal. It is the first part of the ear which collects the sound waves. It directs the sound waves to the internal ear.

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