Cellular Restoration's goal is just to provide energy for the organism. in cellular respiration this energy is ATP. this ATP can then be used as energy for many bodily processes
So there are two types of respiration, aerobic and anaerobic. aerobic requires oxygen from the cell while anaerobic doesn’t. however, the difference between both of these resps is the amount of ATP they produce. aerobic resp produces 36 ATP while anaerobic produces 2 ATP. so basically, to answer your question, aerobic cell respiration just helps the cell MAKE ENERGY.