Question

State the function of pinna.

Answer 1

Pinna :

The visible part of the outer ear is the auricle (pinna).

Functions :

1. Sound waves are collected and channeled into the ears (external auditory meatus), where they are amplified.
2. The sound waves then travel to the eardrum, or tympanic membrane, which is a thin, circular tissue at the end of the ear canal.