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