Respiration close respirationA chemical reaction that occurs in the mitochondria of cells in which glucose and oxygen react to produce carbon dioxide and water, releasing energy. is a chemical ...

Who knew that two simple letters--an--could make all the difference in triathlon training? Frequently referenced, but often misunderstood, the difference between the terms aerobic and anaerobic seems ...

Respiration close respirationA chemical reaction that occurs in the mitochondria of cells in which glucose and oxygen react to produce carbon dioxide and water, releasing energy. is a chemical ...

Uncrowned is a new destination for all things MMA, boxing, wrestling, and more, featuring Ariel Helwani. The word aerobic literally means "with oxygen." When an athlete exercises in an aerobic zone, ...