Which option best explains how the skeletal system works when a person jogs?

The bones and joints of the body work to keep the body erect. The leg bones and joints work together to move forward.
The heart and the blood vessels work to provide the oxygen needed for the motion. The leg muscles generate the power required for the motion.
The bones and joints of the body work to keep the body erect. The leg muscles generate the power required for the motion.
The heart and the blood vessels work to provide the oxygen needed for the motion. The leg bones and joints work together to move forward.