The document provides a study guide for the digestive system, including a list of key vocabulary words and parts to label. It mentions that students should know the four layers of the gastrointestinal tract, as well as the major organs of the digestive system like the mouth, esophagus, stomach, small intestine, large intestine, liver, pancreas and gallbladder. Students are also instructed to learn the locations and functions of the salivary glands, teeth and parts of the intestines.

1. THE DIGESTIVE SYSTEM- STUDY GUIDE
Vocabulary Words to Know:
 Layers of GI tract (4 layers)
 Salivary glands (3)
 Mouth (4 structures)
 Teeth (4 types)
 Pharynx
 Esophagus
 Stomach
 Bolus
 Chyme
 pancreas
 Small intestine (3 parts)
 Villi
 Microvilli
 Bile
 Liver
 Gallbladder
 Lobules
 hepatocytes
 Mass peristalsis
 Large intestine (5 parts)
 appendix
 Rectum
 Anus
Parts to Know for Labeling:
Esophagus
Pharynx
Stomach
Parotid
Submandibular
Sublingual
Stomach
Liver
Pancreas
Gall bladder
Duodenum

2. Jejunum
Ileum
Appendix
Cecum
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
Rectum
Anus
Know the 4 layers of the GI tract.