This Antique Anatomy Model Contains a Real Human Spine

Ever wonder how a broken bone actually fixes itself? 🦴 The moment a fracture happens, your body immediately kicks into repair mode. Blood clots form around the break first, sealing off the area and triggering inflammation — the first step of healing. From there, the body builds a soft callus made of collagen and cartilage, essentially bridging the gap between the two broken pieces like scaffolding. Over the following weeks, that soft callus hardens into real bone, restoring strength back to the