Where does the heat come from that your body produces after doing physical activities even in the cold?

Question

Where does the heat come from that your body produces after doing physical activities even in the cold?

In: Biology

Answer 1

Within each cell there are organelles called mitochondria that are powerhouse of the cell. Glucose and oxygen is turned into energy and the waste product carbon dioxide. For more information look at the Krebs Cycle and the Citric Acid Cycle.