Answer:
Breaking down of sugar in living organism requires Oxygen gas.
Step-by-step explanation:
The gas oxygen is important to conduct different functions in living organism. For breaking sugar inside the living organisms oxygen is needed, this is the process of the cellular respiration. The body cell breaks sugar with the help of oxygen gas in this process. As a result of this process, energy is produced along with the carbon dioxide. This energy produced in this process is restored by the body for the future use of the cell.