Cell specialization refers to the process by which generic cells develop into distinct types with specific functions. This differentiation allows cells to perform unique roles in an organism, such as muscle cells contracting for movement or nerve cells transmitting signals. Each specialized cell type has unique structures and properties that enable it to fulfill its role effectively. In multicellular organisms, such as humans, cell specialization is crucial for maintaining overall health and function. Different tissues, like muscle tissue and nervous tissue, are composed of specialized cells that work together to support the organism's needs. This organization allows for complex biological processes and efficient functioning of the body.