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Head, Ears, and Nose

What are the 3 anatomical subdivisions of the ear?

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March 24, 2010 10:41AM

The inner, outer and middle. The outer ear is the bit stuck to the side of your head and the ear canal down to the ear drum. The middle ear is an air-filled cavity behind the ear drum, where the 3 smallest bones in the human body are found. The inner ear is made up of the hearing organ (the cochlea) and the organ responsible for sensing motion and gravity which helps us balance.