residue. noun remainder, remains, remnant, leftovers, rest, extra, balance, excess, surplus, dregs, residuum She loaded the residue of lunch onto a tray.
Best Answer: Boogers are made of dried mucous, dust,pollen and anything unwanted breathed up your nose. Eating boogers is said to boost your immune system when your a kid. But adults should just use a handkerchief.
I assume eating your own boogers boosts your immune system not because of the mucus but because the act of regularly putting your fingers in your mouth. Your body produces anti bodies if it comes in contact with bacteria or viruses in a small or weak amount/form. It works the same way as vaccines do.