Biology-Collagen: It's what keeps you connected
You probably know the most abundant substance in your body is water. But what comes second? The surprising answer is collagen.
Collagen is a group of proteins that make up the connective tissue in your body's skin, bones, muscles, cartilage, ligaments, and tendons. In the following activity, you can get a feel for the properties of this amazing substance by experimenting with gelatin, which is made from animal collagen.
Hover over image to see more.