Digestion. Anatomy of digestive system (review!) 4 major processes of digestive system: Motility Secretion Digestion Absorption. Gastrointestinal System. Motility Secretion Digestion Absorption. Motility. 2 purposes: Forward movement of food Mechanical mixing
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GI smooth muscles contract spontaneously
Sustained contraction, usually in the stomach
Gastroesphogeal Reflux Disease
Lower esophageal sphincter dysfunction
Why reflux against gravity?
Wall of esophagus expands