When is the last time you cleaned a lipid out of your ear? The video covers the four types of lipids: triglycerides, phospholipids, steroids, and waxes. It includes the primary and secondary functions of lipids arranged by type. 

This lesson will describe the negative effects of anabolic steroids that are used for muscle building. It is 1 of 4 in the series titled "Steroids."

This lesson will describe the effects that exercise and steroids have on your muscles. It is 1 of 2 similar lessons.