12. Describe the functions of the three main sections of the ear, outer ear, middle ear and the inner ear.

The outer ear acts as a funnel to conduct air vibrations through to the eardrum. It also has the function of sound localization. The middle ear is located between the external and inner ear. It is separated from the ear canal of the outer ear by the tympanic membrane (the eardrum). The middle ear functions to transfer the vibrations of the eardrum to the inner ear fluid. The inner ear has two main functions. It helps you hear and keep your balance. The parts of the inner ear are attached but work separately to do each job. The cochlea works with parts of the outer and middle ear to help you hear sounds.

Explanation:

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