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.
Why Should We Eat Healthy Food? Like laughter, eating healthy is good medicine. Our bodies need all kinds of good things to stay healthy, and if we want to get the most out of what our bodies can do, then we need to drink lots of water and eat healthy food. Eating fruits and vegetables gives our bodies the vitamins and minerals it needs to fight off sicknesses, diseases and cancers, and they help to lower blood pressure too.