BIO 256 Exam 1 Review Exam Newest 2026 Complete Questions | With 100%
Correct Answers graded A+ Guaranteed Success!!
function of digestive system - (answer)processes food, extracts nutrients and eliminates residue
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)
, BIO 256 Exam 1 Review Exam Newest 2026 Complete Questions | With 100%
Correct Answers graded A+ Guaranteed Success!!
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
function of myenteric plexus - (answer)controls peristalsis and other contractions of muscularis externa
what are the three salivary glands - (answer)parotid, submandibular, sublingual
function of saliva - (answer)begins starch and fat digestion, inhibits bacterial growth, binds food
together to form bolus, dissolves molecules to stimulate taste buds
two enzymes in the saliva - (answer)salivary amylase and lingual lipase
salivary amylase function - (answer)begins starch digestion and breaks down polysaccharides
lingual lipase function - (answer)activated by stomach acid and digests fat after food is swallowed and
breaks down triglycerides
what is deglutination - (answer)swallowing
first phase of swallowing - (answer)oral phase (voluntary control)
second phase of swallowing - (answer)pharyngeal phase (involuntary control)
Correct Answers graded A+ Guaranteed Success!!
function of digestive system - (answer)processes food, extracts nutrients and eliminates residue
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)
, BIO 256 Exam 1 Review Exam Newest 2026 Complete Questions | With 100%
Correct Answers graded A+ Guaranteed Success!!
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
function of myenteric plexus - (answer)controls peristalsis and other contractions of muscularis externa
what are the three salivary glands - (answer)parotid, submandibular, sublingual
function of saliva - (answer)begins starch and fat digestion, inhibits bacterial growth, binds food
together to form bolus, dissolves molecules to stimulate taste buds
two enzymes in the saliva - (answer)salivary amylase and lingual lipase
salivary amylase function - (answer)begins starch digestion and breaks down polysaccharides
lingual lipase function - (answer)activated by stomach acid and digests fat after food is swallowed and
breaks down triglycerides
what is deglutination - (answer)swallowing
first phase of swallowing - (answer)oral phase (voluntary control)
second phase of swallowing - (answer)pharyngeal phase (involuntary control)
