This presentation discusses the structural behavior of bones in the human body and their similarities to reinforced concrete structures. It covers the composition, structure, mechanical properties and loading of bones. Bones provide mechanical support, facilitate movement, and act as reservoirs for minerals. Their organic and inorganic components give them flexibility and rigidity. Bones experience various loads like tension, compression, bending and torsion from forces like gravity, muscles and impacts. Their mechanical behavior and properties change with age in a similar manner to concrete. Failure mechanisms in bones like repetitive stress and fractures are also reviewed alongside repair techniques that parallel those used for reinforced concrete.