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Human vocal fold is a set of lip-like tissues located inside the larynx, and is the source of sound for a human and many animals.
The Larynx is located at the top of trachea. It is mainly composed of cartilages and muscles, and the largest cartilage, thyroid, is well known as the "Adam's Apple."
The organ has two main functions; to act as the last protector of the airway, and to act as a sound source for voice. This page focuses on the latter function.
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