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

You pee, poop, sweat, and breathe it out. That’s what happens to everything you consume that doesn’t get stored, and everything stored that you use up.

Usually, a chemical change is involved.