What is a connection between two or more bones of the skeleton?

The correct answer is a joint, which is the point where two or more bones meet in the skeleton. Joints are crucial for movement and flexibility in the body, allowing for the function of various activities such as walking, running, and other physical movements. They enable bones to work together to create a range of motion, and can vary in structure and function, such as ball-and-socket joints, hinge joints, and pivot joints.

The other options represent related but distinct components of the skeletal and muscular systems. Ligaments connect bones to other bones at joints, helping to stabilize them but not directly defining the connection of these bones themselves. Tendons, on the other hand, are the fibrous tissues that attach muscles to bones, which aid in movement but do not form the connections between bones. Cartilage acts as a cushion between bones at joints and can also provide a smooth surface for joint movement, but it does not represent the connection between bones.