BIO 256 Exam 1 Review Questions and Answers
A+ Grade 2026/2027 | Complete Exam Review
Study Guide
Terms in this set (68)
function of digestive system processes food, extracts nutrients and eliminates
residue
the physical breakdown of food mechanical digestion
into smaller parts
A series of hydrolysis reactions that chemical digestion
break dietary macromolecules into
their monomers
6 accessory organs teeth, tongue, salivary glands, liver, gallbladder,
pancreas
what makes up the gi tract stomach and intestines
, mechanical digestion occurs where grinding of teeth and churning of stomach and
small intestine
chemical digestion occurs where digestive enzymes produced by salivary glands,
stomach, pancreas, and small intestine
most absorption occurs where small intestine
small mucosal projections that villi
increase surface area for
absorption
permanent transverse folds in the circular folds
intestinal lining
four layers of the digestive tract mucosa, submucosa, muscularis externa, serosa
(from inner to outer)
the submucosal plexus is located in the submucosa layer
____
the myenteric plexus is located muscularis externa
between two layers of the
function of submucosal plexus control glandular secretions of mucosa and
movement of muscularis mucosae
A+ Grade 2026/2027 | Complete Exam Review
Study Guide
Terms in this set (68)
function of digestive system processes food, extracts nutrients and eliminates
residue
the physical breakdown of food mechanical digestion
into smaller parts
A series of hydrolysis reactions that chemical digestion
break dietary macromolecules into
their monomers
6 accessory organs teeth, tongue, salivary glands, liver, gallbladder,
pancreas
what makes up the gi tract stomach and intestines
, mechanical digestion occurs where grinding of teeth and churning of stomach and
small intestine
chemical digestion occurs where digestive enzymes produced by salivary glands,
stomach, pancreas, and small intestine
most absorption occurs where small intestine
small mucosal projections that villi
increase surface area for
absorption
permanent transverse folds in the circular folds
intestinal lining
four layers of the digestive tract mucosa, submucosa, muscularis externa, serosa
(from inner to outer)
the submucosal plexus is located in the submucosa layer
____
the myenteric plexus is located muscularis externa
between two layers of the
function of submucosal plexus control glandular secretions of mucosa and
movement of muscularis mucosae