The pinna, also known as the outer ear, serves several functions in the auditory system. Its main function is to collect sound waves from the environment and direct them into the ear canal towards the eardrum. The unique shape of the pinna helps to amplify and filter sound waves, allowing us to detect the location and direction of sounds more accurately.
Additionally, the pinna plays a role in protecting the ear canal from foreign objects and insects. It also helps to provide a degree of moisture regulation and ventilation to the ear canal.
Overall, the pinna is a crucial component of the auditory system, allowing us to collect and process sound waves from our environment, and providing protection to the ear canal.
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