Ingestion at the Pharynx and Esophagus

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4 Terms

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Pharynx

Chamber at the back of the mouth/nose where air (trachea) and food (esophagus) share usage

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Epiglottis

  • a flap of epithelial tissue that covers the opening of the trachea

  • opens so gases can get through to the trachea

  • closes for solids and liquids so they can get to the esophagus

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Esophagus

  • muscular tube that moves food from the mouth to the stomach

  • not a digestive organ

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Peristalsis

Rhythmic, wavelike contractions of smooth muscle that move food along the gastrointestinal tract (involuntary)