Exam 3: NSG 530 Exam 3 Wilkes: Latest Updated : Guaranteed A+
Role of digestive system (Ans- produce energy from food ingested, transfer energy-rich nutrients, water, and electrolytes into the body's internal environment gastrointestinal tract components (Ans- mouth, esophagus, stomach, small intestine, large intestine, rectum, anus functions of the gastrointestinal system (Ans- movement, secretion, digestion, and absorption alimentary canal (Ans- GI tract-digestive tube that extends from the mouth to the anus single hallow tube Layers of the gastrointestinal tract (Ans- mucosa(outermost), submucosa, muscularis, serosa/adventitia (innermost) enteric (intramural) plexus (Ans- controls mobility, secretion, sensation and blood flow functions of saliva (Ans- lubrication, antibacterial action, pH regulation, thermoregulation, enzymatic digestion phases of swallowing (Ans- oropharyngeal and esophageal oropharyngeal swallowing (Ans- voluntary (striated) food formed into bolus and forced towards pharynx
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