| A | B |
| cellular respiration | the breaking up of glucose to release energy |
| glycolysis | the first stage of cellular respiration |
| Krebs cycle | the second stage of cellular respiration |
| electron transport chain | the third stage of cellular respiration |
| mitochondria | the organelle where cellular respiration takes place |
| two layers and two spaces | the physical make-up of a mitochondria |
| ATP | the form of energy released by cellular respiration |
| glucose and oxygen | the reactants of cellular respiration |
| water and carbon dioxide | the products of cellular respiration |
| Two ATPs | the net energy results from glycolysis |
| Thirty Two ATPs | the net energy results from the electron transport chain |
| Thirty Six ATPs | the overall result of the breakdown of ONE glucose molecule |
| twice | how many times the Kreb's cycle runs |
| aerobic respiration | the type of cellular respiration that occurs in the PRESENCE of oxygen |
| anaerobic respiration | the type pf cellular respiration that occurs in the ABSENCE of oxygen |
| fermentation | another name for ANAEROBIC respiration |