Tendons attach to the bone via which structure?

Tendons attach to the bone through the structure of muscle, specifically the connective tissue of the muscle that extends to form the tendon. The tendon serves as the bridge that connects muscle to bone, enabling the force generated by muscle contraction to be transmitted to the skeletal system, which facilitates movement.

Muscle fibers are surrounded by connective tissue layers, and these layers converge to form a tendon at the muscle's end. This attachment allows for effective transfer of mechanical force, ensuring that when a muscle contracts, it pulls on the tendon, which in turn pulls on the bone it is attached to, resulting in movement at the joint.

The other options do not directly relate to the attachment point of tendons to bone. Joints are the sites where two or more bones meet but do not serve as attachment points for tendons. Fascia is a type of connective tissue that surrounds muscles and groups of muscles but does not directly connect to bone. Cartilage, on the other hand, provides a smooth surface for joint movement and cushioning between bones but does not facilitate the connection of tendons to bone.