The ears are a pair of sensory organs whose primary functions are hearing and balance. They are divided into three portions: the outer ear, the middle ear, and the inner ear. Each has an intricate ...

The ear is a complex organ consisting of the outer, middle, and inner ear. The inner ear is the deepest part of the ear, resting in the temporal bone. It is responsible for hearing, balance, and ...

Evolution has left humans with many vestigial traits—remnants of once-useful biological features that serve little or no ...