In short: Bones are pretty f***ing cool.4. Bone marrow isn’t just space filler Long bones, such as the thighbone, are filled with bone marrow made of fat cells, blood cells, and immune cells. In ...

Sprinkle cheddar overtop, then place cooked bone marrow in the dish, leaving room for short ribs. Bake for 10 minutes, until cheese has melted.

When they are born, they have around 300 bones. Human hands have 27 small, intricate bones, while feet have 26. The different bone types are long bones, short bones, flat bones and irregular bones.

In most people, bone strength and density peak when they are in their late 20s. After that, as they continue to age, the rate of bone resorption gradually overtakes that of formation.