Tulang Panjang, or long bones, are a type of bone found in the human body. They are characterized by their elongated shape and consist of a shaft called the diaphysis and two ends known as epiphyses. Long bones are primarily responsible for supporting the body, facilitating movement, and producing blood cells in the bone marrow. Examples of Tulang Panjang include the femur in the thigh, the humerus in the upper arm, and the tibia in the lower leg. These bones are crucial for various physical activities, as they provide structure and leverage for muscles to act upon during movement.