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BIOL 252 Module 6 Digestive System II Study Guide | Practice Questions & Answers | Portage Learning 2026

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Ace your BIOL 252 Module 6 Digestive System II assessment with this comprehensive study guide designed to support effective preparation for Human Anatomy & Physiology II coursework through Portage Learning. This resource strengthens understanding of essential digestive system concepts, including gastrointestinal tract anatomy and physiology, ingestion, propulsion, mechanical and chemical digestion, nutrient absorption, defecation, liver and gallbladder functions, pancreatic secretions, digestive enzymes, and hormonal regulation. Organized for focused revision and practice, this learning resource supports students preparing for BIOL 252 Module 6 assessments while reinforcing core Anatomy & Physiology II concepts.

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BIOL 252 Module 6 Digestive
System II

2026-2027 Updated




** Expert-Verified Explanation
** Questions with Verified Answer
** New Edition
** 100% Guaranteed Pass
** 100% Correct Answers

, Structures in small intestine that increase surface area circular folds, villi, microvilli




Intestinal crypts tubular glands scattered between villi




Five main cell types found in villi and crypts enterocytes (main), enteroendocrine, goblet, paneth, stem cells




Enterocytes are simple columnar cells bound by tight junctions that contain many microvilli




Function of enterocytes in villi absorb nutrients and electrolytes




Function of enterocytes in crypts produce intestinal juice that's a watery mixture of mucus that carries chyme




Goblet cell function in small intestine mucus-secreting cells found in epithelia of villi and crypts




Enteroendocrine cells in small intestine secrete secretin and cholecystokinin (CCK)




Paneth cells in small intestine secrete defensins and lysozymes




Stem cells in small intestine continuously divide to produce other cell types




Mucous associated lymphoid tissue function protects intestine against microorganisms




MALT includes 1. individual lymphoid follicles
2. Peyer's patches (aggregated lymphoid nodules) in lamina propria



Lamina propria in MALT has large number of plasma cells that secrete IgA




Submucosa tissue type areolar connective tissue




Duodenal glands of the duodenum submucosa secrete alkaline mucus to neutralize acidic chyme from the stomach




Intestinal juice secreted in response to distention or irritation of mucosa

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