20 Amazing Things You Probably Didn't Know

Most fat is expelled from the body through exhalation. 

An Australian physicist, Ruben Meerman, held a set of experiments and found out that people exhale fat. He has proved that about 22 lb of fat turns into 18.5 lb of carbon dioxide that leaves the body in the form of exhaled air and we lose about 3.5 lb in water (through urine, sweat, and tears).