The value because it could be worth a lot or a little
...respiration!
Respiration is the biochemical process in which the cells of an organism obtain energy by combining oxygen and glucose, resulting in the release of carbon dioxide, water, and ATP (the currency of energy in cells). Source: https://study.com/academy/lesson/what-is-respiration-definition-process-equation.html
I hope that helps! :)
I believe they are the quadecipes because they are under the knee and the thigh is under the knee