How do respiration?

Because cellular respiration occurs in the presence of oxygen.

To tell you the truth they are not similar at all. They have nothing to do with each other. I guess the way they work secrete or take in can be compared but they are different processes. Cellular...

Anerobic respiration is respiration. Minus the oxygen.

aerobic requires oxygen to work anaerobic doesn't need oxygen

respiration means oxidation of food. it may be aerobic or anaerobic based on the essence of oxygen. in general we define respiration as breathing