My own words:
In bowling your goal is to know down as many pins as possible. If you knock down all pins you get a strike. Bowling has been going on forever. Now a day's bowling is a competitive sport, but can also be toms of family fun!
You didn't really provide us with any options? It must be noted that generally, the structure of the skeletal system also dictates its function. With that I mean that having bones and a skeletal system enables us to move more efficiently and to have the pose which we have.