How is inhalation to do with 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...

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

Respiration occurs in all living cells - days and nights (any time).Animals respire (breathe) taking in oxygen and exhaling carbon dioxide all the time.Plants - green plants - tend to take in carbon...

in the most simple terms respiration simply means breathing