Science 🩺 on Instagram: "Have you ever stopped to wonder how your fingernails grow back after getting trimmed or even damaged? The process might seem simple on the surface, but it's actually a fascinating display of your body's natural regenerative abilities. Your fingernails grow from a hidden structure beneath the skin called the nail matrix, located just under the base of the nail, beneath the cuticle. This matrix is the powerhouse responsible for producing new nail cells. As these cells mul