â (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable 1. the dependent variable. â (statistics) a variable in a logical or mathematical expression whose value depends on the independent variable 1. dependent variable [ the ~ ] noun.
The building blocks that make up all proteins, including collagen, are called amino acids. An essential amino acid is one your body cannot make, so you have to get it from food or dietary supplements. Collagen is the most abundant protein in the body and is a key constituent of all connective tissues. Collagen provides the infrastructure of the musculoskeletal system, essential for mobility.
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.