The ear is the body’s organ of hearing. It is larger than it looks – only a skin-covered flap is visible on the outside of the head, with the rest of the ear lying hidden from view inside the skill.
Ears come in many shapes and sizes. Typically, men’s ears are larger than women’s, according to a study in the journal Plastic and Reconstructive Surgery. Researchers also found that the average ear is about 2.5 inches (6.3 centimeters) long, and the average ear lobe is 0.74 inches (1.88 cm) long and 0.77 inches (1.96 cm) wide. They also noted that the ear does indeed get larger as a person ages.
The ear has three zones, each with different roles. The outer ear collects sounds and funnels them towards the middle ear, where they are converted into vibrations. In the inner ear, the vibrations are transformed again, into signals to send to the brain.
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