Question

If someone lost 20 pounds of fat on a diet, where did the fat go?

Answer 1

The answer is: B) it was released as carbon dioxide and water.
Sounds strange, but you do actually breathe out your lost weight.

Answer 2

The right answer is B) It was released as carbon dioxide and water.

Lipids are a source of energy for the body, it provides the necessary energy to perform its functions. During the consumption of lipids, these are degraded in the form of CO2 and H2O (just like the consumption of glucose since the lipids are degraded into acetyl CoA and enter the Krebs cycle).