What constitutes the outer ear. Mention one function of each.

1.	What constitutes the outer ear. Mention one function of each.
Answer» The outer ear consists of the pinna and external auditory meatus. Pinna collects the vibrations in the air which produce sound. There are very fine hairs and wax secreting sebaceous glands in the skin of pinna and the meatus.

Answer»

The outer ear consists of the pinna and external auditory meatus.

Pinna collects the vibrations in the air which produce sound.
There are very fine hairs and wax secreting sebaceous glands in the skin of pinna and the meatus.

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