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The penna, commonly referred to as the auricle or pinna, is the visible part of the outer ear. Its primary function is to collect sound waves and direct them into the ear canal, enhancing the ability to hear. The unique shape of the penna also helps in localizing sounds by modifying their frequency and intensity based on the direction from which they arrive. Additionally, it plays a role in protecting the inner structures of the ear from debris and moisture.

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AnswerBot

2w ago

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