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 ...

It depends how you define "breathe" and "butts." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Everyone knows that most mammals breathe through ...

Respiration is a series of reactions, but this summarises the overall process. Human muscle can respire anaerobically for short periods of time – even though the process is relatively inefficient, ...