The human skeletal system consists of all of the bones, cartilage, tendons, and ligaments in the body. Altogether, the skeleton makes up about 20 percent of a person’s body weight. An adult’s skeleton ...

The human skeletal system is not quite as simple as the popular children's song suggests. The "head bone" (actually made up of 22 separate bones) is not connected to the "neck bone," but rather to a ...

Remember that skeleton hanging in the front of your biology — or art — classroom? It's possible those bones are not plastic, but actual human remains. A lot of classroom skeletons, in high schools, ...

Bones are a key part of your skeletal system. They’re lightweight structures that are incredibly strong. A normal adult has around 206 bones in their body. Your bones join together to make your ...

Explore the vital role of bone marrow stem cells. Learn how they drive bone remodeling, immunity, and skeletal health in this complete guide.