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Larynx
A structure in the throat containing the vocal cords; it is involved in breathing, producing sound, and protecting the trachea against food aspiration.
Alveoli
are the tiny air sacs in the lungs where the exchange of oxygen and carbon dioxide takes place.
Gas Exchange
The biological process by which gases (mainly oxygen and carbon dioxide) are transferred between the blood and the external environment during the act of breathing.
Vocal Folds
Muscular membranes in the larynx that produce sound when air is expelled through them, also known as vocal cords.
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