The shape of the fleshy part of the outer ear, called the auricle, or pinna, is designed to collect sound waves and direct them into the ear canal, where they soon reach the eardrum.
Ārējās auss gliemežnīca ir veidota tā, ka uztver skaņas viļņus un tos novada uz auss eju, pa kuru tie ātri sasniedz bungplēvīti.