The type of learning that involves problem-solving is called "insightful learning". This is a good way to learn in the sense that it really makes you understand that material.
A synovial joint, also known as a diarthrosis, is the most common and most movable type of joint in a mammal's body. Diarthroses are freely movable articulations. In these joints, the contiguous bony surfaces are covered with articular cartilage and connected by ligaments lined by synovial membrane.
