Importance of Digestion

Would you believe that your digestive system stretches to five times your height?! Help your pupils to understand this relationship as they work through the laboratory exercise. The first instructional activity of a 12-part series is a...

After an explanatory introduction to sugars and enzyme activity, biochemists discover whether lactase is needed to digest lactose, sucrose, and milk as a whole. High school science lab skills are required for these investigations.

It takes about seven seconds for food to move from the mouth to the stomach. Pupils follow food from the mouth through digestion, exploring where mechanical and chemical digestion occur. Saliva, enzymes, acids, and chyme are a small...

The stomach can hold 1.5 liters of food, which remains there for two to three hours in order for digestion to complete. The 33rd video in a series of 47 covers the process of digestion. Classes learn why digestion occurs, about the...

Ever wonder why it takes awhile to feel full when you eat a meal or snack? Follow food in its fantastic, 40-hour journey through your body with a video about the digestive system! Young anatomists explore the process of digestion,...

Colorful pictures and animation accompany a thorough explanation of the digestive process. Each anatomical part of the digestive system is explained as well as the chemical signals that are affiliated with digestion and absorption....

[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...

Students discuss the functioning of the digestive system and the specific enzymes present. They observe the action of amylase on starch to identify characteristics of enzymes then perform an experiment on the effects of temperature on...

You'll be entertained and informed by this video on the digestive system.

Find out how bacteria in the digestive system works to digest food.