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While gravity helps, peristalsis is so powerful that humans can technically swallow and move food to the stomach even while hanging upside down. 4. Clinical Significance: When the System Fails
A layer containing connective tissue, blood vessels, and mucous-secreting glands that provide lubrication. Gastrointestinal Anatomy and Physiology: The Es...
The outer layer of connective tissue that anchors the esophagus to surrounding structures in the chest. 2. The Gatekeepers: Upper and Lower Sphincters While gravity helps, peristalsis is so powerful that
The innermost lining, composed of stratified squamous epithelium . This tough, "multi-layered" tissue is designed to withstand the friction of coarse food particles. While gravity helps
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