respiration summary
Respiration Glycolysis Glycolysis is the first stage of respiration. ... The pyruvic acid can then either undergo aerobic respiration in the mitochondria or anaerobic respiration  Aerobic Respiration The Krebs cycle is the first stage of respiration requiring oxygen and takes place in the matrix of the mitochondrion. ... Although some of the ATP is needed to fuel respiration there is still a net gain of two ATP. ... The Cytochrome system is where most energy is made during respiration.