Cartilage between bones acts as a cushion and provide a smoother surface for joints to rub against. In oth â¦ er places it acts as a shaping structure. The tip of the nose and ears are composed almost entirely out of cartilage.
Story at-a-glance 1  -. Eating your boogers may help introduce pathogens from your environment to your immune system, helping it to learn and build defenses, according to a new theory in support of the hygiene hypothesis.
Eating boogers may actually be good for your health: scientist. Queen Elizabeth II indulges in a royal pick-me-up. Time to get digging! A Canadian biochemistry professor wants to examine the idea that picking and eating your own boogers might actually be good for your health. Children are usually scolded for indulging in this socially taboo practice, but Scott Napper, an associate professor at the University of Saskatchewan, is telling parents to hold on to their judgment.