Cells make up only 2 percent of bone mass. C. Human skeleton is composed of 206 bones. C. Human skeleton is composed of 206 bones. Joints represent a compromise between strength and mobility. C. Human skeleton is composed of 206 bones.
Joints represent a compromise between strength and mobility.
C. Human skeleton is composed of 206 bones. Joints represent a compromise between strength and mobility. C. Human skeleton is composed of 206 bones. Joints represent a compromise between strength and mobility. Each muscle fiber is an elongated, multicellular muscle cell.