Describes the interaction between the hormone insulin, blood glucose levels, and the hypothalamus and how this affects the perception of hunger. Also discusses what happens after you eat a fat-rich meal where the hormone leptin is...

This lesson will define saturated and unsaturated solutions. It is 2 of 2 in the series titled "Definition of Saturated/Unsaturated."

This lesson will look at the effect that diet and exercise have on normal body functions. It is 1 of 5 in the series titled "Nutrition and Health."

This lesson will explain the structure of lipids as well as discuss their function in our bodies. It is 6 of 7 in the series titled "Lipids."

In this video, Paul Andersen describes the lipids (of the fats). He explains how they are an important source of energy but are also required to cell membranes. He explains how the hydrocarbon tails in triglycerides contain energy...

Paul Andersen describes the macromolecules that make up living organisms. He starts with a brief description of organic chemistry and the importance of functional groups. He also covers both dehydration and hydrolysis in polymerization....