BIO 256 EXAM 1 2026 TEST BANK
COMPLETE QUESTIONS SOLUTIONS
GRADED A+
◉ 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
◉ function of submucosal plexus.
Answer: control glandular secretions of mucosa and movement of
muscularis mucosae
COMPLETE QUESTIONS SOLUTIONS
GRADED A+
◉ 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
◉ function of submucosal plexus.
Answer: control glandular secretions of mucosa and movement of
muscularis mucosae
