If matter can only change form through physical and chemical changes, where does all the matter we get rid of when losing weight end up in?

Question

If matter can only change form through physical and chemical changes, where does all the matter we get rid of when losing weight end up in?

In: 65

Answer 1

Believe it or not your body primarily loses weight by breathing it out. The CO2 + water vapour breathed out is heavier than the O2 taken in. CO2 + water are by products of the respiration chemical reaction that occurs in your cells to provide energy.