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Vocal cord


The vocal cords are one group of the features of the human larynx
responsible for the production of sound, including speech. They work like a
reed instrument, vibrating and modulating the flow of air being expelled
from the lungs.

Structurally, the vocal cords are a pair of flaps, resembling the valves of
the heart, on either side of the larynx. Their tension and shape can be
adjusted by muscles.

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