Inner Body
Innerbody: Digestive System
Take a look inside the human body's digestive system. This site features diagrams of the digestive tract and each part is accompanied by labels and descriptions. Just select an organ by moving the mouse over its image.
CK-12 Foundation
Ck 12: Biology: Invertebrate Characteristics
[Free Registration/Login may be required to access all resource tools.] Covers characteristics of invertebrates.
CK-12 Foundation
Ck 12: Life Science: Enzymes in the Digestive System
[Free Registration/Login may be required to access all resource tools.] Chemical digestion could not take place without the help of digestive enzymes. An enzyme is a protein that speeds up chemical reactions in the body. Digestive...
CK-12 Foundation
Ck 12: Life Science: Human Digestive System
[Free Registration/Login may be required to access all resource tools.] Nutrients in the foods you eat are needed by the cells of your body. How do the nutrients in foods get to your body cells? What organs and processes break down the...
Sophia Learning
Sophia: Animals: Human Digestive System
An overview of the structure and function of the human digestive system.
Soft Schools
Soft Schools: Digestive System Quiz
Take this interactive, multiple-choice quiz over the human digestive system, then review your score and any missed questions at the end.
Soft Schools
Soft Schools: Biology: Human Body Worksheets and Quizzes
Test your understanding of the human body and all of its complexities with these interactive worksheets, games and quizzes.
Discovery Education
Your Digestive System
What do you know about your digestive system? This site feature factoids and more interesting information concerning this human body system. Trace the path of food from one end to the next.
Better Lesson
Better Lesson: Mitochondria "The Powerhouse of the Cell"
In this lesson and lab activity, students learn about digestion and fermentation, and watch a demonstration of cellular respiration in yeast. Includes numerous real-world connections, e.g., how fermentation is used by humans.
Akron Children's Hospital
Akron Children's Hospital: Kids Health: What's Puke?
Just what is puke and why does your body do that? Find out more in this article for kids.
BBC
Bbc: Gcse Bitesize: Animal Organization Digestion Aqa
This lesson focuses on the structures of carbohydrates, proteins, and lipids including defining terms, a brief discussion of what they do, and diagrams of each. It also provides a link to a test.
National Institutes of Health
National Institutes of Health: Your Digestive System and How It Works
Information about the digestive system, why digestion is important, how food is digested, and how the process is controlled. Includes a diagram of the body parts involved.
Colorado State University
Colorado State University: Gross and Microscopic Anatomy of the Large Intestine
Describes the structures associated with the large intestine. Gives a good illustration of the microscopic anatomy of the large intestine.
Read Works
Read Works: Where Does Food Go?
[Free Registration/Login Required] This informational text passage explains the process of food digestion. This passage is a stand-alone curricular piece that reinforces essential reading skills and strategies and establishes scaffolding...
North Central Regional Educational Laboratory
Ncrel: Human Body Systems Resource
What do you know about the different human body systems? This site features information on each of the different systems. Students and teachers will benefit from this comprehensive resource.
CK-12 Foundation
Ck 12: Life Science: Digestive System Organs
[Free Registration/Login may be required to access all resource tools.] The mouth and stomach are just two of the organs of the digestive system. Other digestive system organs are the esophagus, small intestine, and large intestine....
CK-12 Foundation
Ck 12: Fourth Grade Science: Life Science: The Digestive System
[Free Registration/Login may be required to access all resource tools.] Covers the major organs and general functions of the digestive system; the digestive functions of the mouth, esophagus, and stomach; and how digestion and absorption...
Alabama Learning Exchange
Alex: Digestive System Adventure
During this lesson students adventure through the digestive system via the Internet. They then use their knowledge of the digestive system to create an original story about their favorite food's adventure down the digestive track.
CK-12 Foundation
Ck 12: Biology: Digestive System Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on the digestive system.
CK-12 Foundation
Ck 12: Fourth Grade Science
This customizable digital textbook covers topics related to fourth-grade science. It is Next Generation Science Standards (NGSS) aligned.
Khan Academy
Khan Academy: What Is Inflammatory Bowel Disease?
Inflammatory bowel diseases are chronic relapsing disorders that cause inflammation within the gut, which damages the gut lining. The vast majority of inflammatory bowel disease is due to either ulcerative colitis or Crohn's disease....
CK-12 Foundation
Ck 12: Life Science: 11.17 Digestive System Organs
Learn the structure and function of the human digestive system organs.
CK-12 Foundation
Ck 12: Life Science: 11.16 Digestive System
Understand the chemical and mechanical functions of the human digestive system.
BSCS Science Learning
Bscs: A Medical Mystery
Students are immersed in an online environment that challenges them to solve the medical mystery: "What's Wrong with M'Kenna?" This resource includes the complete middle school science curriculum unit, a teacher's guide, and an online...