The function of connective tissue in the body is to support, bind, and protect various tissues and organs. It plays a crucial role in maintaining the structural integrity of the body, providing cushioning, elasticity, and connectivity between other tissue types. Connective tissue includes diverse types, such as bone, adipose (fat), cartilage, and blood. Each type has unique functions, from storing energy to facilitating movement and providing immunity, thereby contributing to the overall health and functioning of organisms.