Digestion
Why is the small intestine lined with villi and microvilli?
Contains absorptive cells that cover the surface of the small intestine. They help with maximum absorption.
What are the names of the three sections of the small intestine?
Duodenum -> Jejunum -> Ileum
Accessory Organs
Esophagus & Gall Bladder
Peristalsis
a coordinated muscular contraction that propels food down the GI tract
Function of Bile
aids in the digestion of fats
Primary Organs
mouth, stomach, liver, pancreas, small intestine, large intestine
Where are over 400 species of bacteria located in the GI tract?
Intestinal Microfloral
Where is most water absorbed in the GI tract?
Large intestine
What is the order through which food travels through the digestive tract?
Mouth, Esophagus, Stomach, Small Intestine, Large Intestine, Liver, Pancreas, Gall Bladder
Where does most nutrient absorption occur?
Small Intestine
Where is hydrochloric acid secreted?
Stomach Parietal Cells
Where does peristalsis occur?
begins in the esophagus, with the most prominent peristalsis occurring in the small intestine
Lipases
breaks down fat
Proteases
breaks down protein
Amylase
breaks down starch
Function of the Gall Bladder
stores bile