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.
Blueberries are an especially rich source of vitamin C, a nutrient that helps you metabolize fats and keep tendons and ligaments healthy. Each serving of blueberries provides 14.4 milligrams of vitamin C -- 19 and 16 percent of the recommended daily dose for women and men, respectively.