This 7-page worksheet product (with 3-page answer key) is designed to introduce upper middle school and high school anatomy students to digestive system organs and their functions. Topics include: what is the digestive system, functions of the digestive system, layers of the gastrointestinal (GI) tract including mucosa, submucosa, muscularis and serosa, GI tract organs including the mouth, epiglottis, esophagus, stomach, small intestine, large intestine, rectum, anus, as well as accessory organs including teeth, tongue, salivary glands, liver, gall bladder, and pancreas.

Product Contents:

Pages 1-4 – Digestive System Organs Reading:

• What is the digestive system
• Digestion (quick summary)
• Major functions of digestive system (e.g. ingestion, digestion, etc.)
• Layers of the GI tract (mucosa, submucosa, muscularis, serosa)
• Mouth
• Tongue
• Salivary glands (parotid, submaxillary, sublingual)
• Teeth (incisors, canines, premolars, molars)
• Esophagus
• Epiglottis
• Stomach
• Small intestine
• Villi and microvilli
• Liver and gallbladder
• Pancreas
• Large intestine (incl. sections: cecum, ascending colon, etc.)
• Rectum
• Anus

Pages 5-7 – Review Questions:

• Diagram labeling (e.g. digestive system organs)
• Short answer questions (e.g. what is digestion, etc.)
• Summary tables (e.g. main jobs of GI organs, etc.)

Pages 8-10 – Answer Key:

• A color-coded answer key for all worksheet questions

Product Files Downloadable in 2 Formats:

• This product comes in 2 formats: a static PDF document and a fully-editable WORD document
• Download the detailed PDF preview to see what you are getting; no surprises!

Relevant NGSS Disciplinary Core Idea(s) Addressed by This Product:

NGSS HS-LS1 - From Molecules to Organisms: Structures and Processes

• NGSS HS-LS1.A - Life Science: Structures and Processes

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Terms of Use:

Copyright © Douglas Enns. All rights reserved by author. This product is to be used by the original downloader only. Copying for more than one teacher, classroom, department, school, or school system is prohibited. This product may not be distributed or displayed digitally for public view. Failure to comply is a copyright infringement and a violation of the Digital Millennium Copyright Act (DMCA). Clipart and elements found in this document are copyrighted and cannot be extracted and used outside of this file without permission or license. Intended for classroom and personal use ONLY.