The trachea (plural: pharynges ) is part of the throat, behind the mouth and nasal cavity, and above the esophagus and trachea - tubes going down the stomach and lungs. They are found in vertebrates and invertebrates, although their structure is different. go by species The pharynx carries food and air to the esophagus and larynx. Cartilage called epigastric stops food from entering the larynx.
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