BIO 256 TEST BANK UPDATED SOLVED QUESTIONS AND CORRECT ANSWERS FULL REVIEW GUIDE

BIO 256 TEST BANK UPDATED SOLVED
QUESTIONS AND CORRECT ANSWERS FULL
REVIEW GUIDE

●● the physical breakdown of food into smaller parts
Answer: mechanical digestion


●● A series of hydrolysis reactions that break dietary macromolecules
into their monomers
Answer: chemical digestion


●● 6 accessory organs
Answer: teeth, tongue, salivary glands, liver, gallbladder, pancreas


●● what makes up the gi tract
Answer: stomach and intestines


●● mechanical digestion occurs where
Answer: grinding of teeth and churning of stomach and small intestine


●● chemical digestion occurs where

, Answer: digestive enzymes produced by salivary glands, stomach,
pancreas, and small intestine


●● most absorption occurs where
Answer: small intestine


●● small mucosal projections that increase surface area for absorption
Answer: villi


●● permanent transverse folds in the intestinal lining
Answer: circular folds


●● four layers of the digestive tract
Answer: mucosa, submucosa, muscularis externa, serosa
(from inner to outer)


●● the submucosal plexus is located ____
Answer: in the submucosa layer


●● the myenteric plexus is located between two layers of the
Answer: muscularis externa