Speaking of skulls, the top of a baby’s head has soft spots called fontanelles. These areas of tissue allow the skull to be flexible during birth and grow with the brain. Most fontanelles close up by the age of one. 🧠👶

Bones are alive! They aren’t just static structures of calcium and protein. Your bones are constantly being renewed in a process called remodeling. Osteoclasts break down old bone, while osteoblasts create new bone, keeping your skeleton strong and healthy. 💪🦴