Howard Hughes Medical Institute
The Fate of Fat
Humans need fat for energy and nutrition, but how much is too much? A short animation shows the pathway of fat as it enters the body, breaks down through digestion, and travels for use or storage. Teaching tips offer multiple ways to...
Crash Course
Digestive System (Part 1)
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...