The flash of a nearby lightning bolt followed by the crack of thunder can't help but make you take notice of the power of nature. And it's a good thing you get that reminder because lightning kills more people than floods, hurricanes or tornadoes.
Collagen: The principal protein of the skin, tendons, cartilage, bone, and connective tissue. Collagen is an essential part of the framework of the design of our various body tissues.ollagen: The principal protein of the skin, tendons, cartilage, bone, and connective tissue. Collagen is an essential part of the framework of the design of our various body tissues.
Updated November 30, 2016. Collagen is a protein made up of amino acids that is found in the human body. Here's a look at what collagen is and how it is used in the body. Like all proteins, collagen consists of amino acids, organic molecules made from carbon, hydrogen and oxygen.