Trachea stock illustrations
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The esophagus or oesophagus is an organ in vertebrates through which food passes, aided by peristaltic contractions, from the pharynx to the stomach. The esophagus is a fibromuscular tube, that travels behind the trachea and heart. During swallowing, the epiglottis tilts backwards to prevent food from going down the larynx and lungs. The trachea is the long tube that connects your larynx to your bronchi. Bronchi send air to your lungs. Trachea is a key part of respiratory system. The trachea is made of rings of cartilage. It is lined with cells that produce mucus.
Vocal cords are folds of throat tissues that are key in creating sounds through vocalization. The size of vocal cords affects the pitch of voice. They are composed of twin infoldings of mucous membrane stretched horizontally, from back to front, across the larynx. They vibrate, modulating the flow of air being expelled from the lungs during phonation