Digestive System

Histology

100

This type of epithelium lines the esophagus and mouth to protect against abrasive foods

Stratified Squamous

200

This type of epithelium lines out stomach and intestines for absorption

Simple Columnar

300

This is the innermost layer of the GI tract

Mucosa

400

This layer of the GI tract houses the nerves, blood vessels, and lymphatic vessels

Serosa

500

This layer of the GI tract is critical for peristalsis

Muscularis Externa

Enzymes

100

This enzyme is found at the beginning of digestions and breaks down starch

Amylase

200

This enzyme digests proteins in the stomach using gastric juice

Pepsin or HCl

300

Proteases, lipases, and amylase are enzymes found in this substance

Pancreatic Juice

400

This enzyme specifically digests lactose

Lactase

500

Enzyme salts in the liver bile digest primarily what?

Fats

Organs

100

These small structures perform mechanical digestion in the mouth

Teeth or tongue

200

These accessory structures secrete enzymes during mechanical digestion in the mouth and respond to external stimuli

Salivary Glands

300

This is where the stomach and the small intestine connect

Pyloric Sphincter

400

This organ is located underneath your liver

Gallbladder

500

This organ contains Islets (full name, Islets of Langerhans)

Pancreas

Anything Goes

100

This is the in-house nerve supply just for the GI tract

Enteric Nervous System

200

This nerve helps the CNS communicate with the enteric nervous system of the GI tract

Vagus Nerve

300

G cells produce...

Gastrin

400

Enteroendocrine cells release multiple of this substance

Hormones

500

This is the ball of food that we swallow after chewing

Bolus