[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...

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.

In this interactive site, match the parts of the digestive system with their function.

At this site match parts of the Digestive system with their function in this challenging word search game.

This site has an interactive game that allows students to match key parts of the digestive system with their definition.

This lesson will describe how an enzyme is used to turn substrate into product. It is 4 of 5 in the series titled "Enzyme Function."

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.

This lesson will describe the process of induced fit, and explain how enzymes use it during chemical reactions. It is 2 of 3 in the series titled "Induced Fit."

This lesson will describe the process of induced fit, and explain how enzymes use it during chemical reactions. It is 1 of 3 in the series titled "Induced Fit."