He should increase the speed in which he runs as the faster one runs the faster their heartbeat.
The best answer to fill in the blank would be ''Bystander'' because as that role you can go tell any adult or higher authority to stop the fighting so you don't try to be a hero and get yourself hurt as well.
Answer:
approach the man attempt to make content aid to his physical needs best you can and call 911
Ligaments connect the ends of bones together in order to form a joint.
Joints are structures that connect individual bones and may allow bones to move against each other to cause movement.
Hope that helps!