Volleyball is a sport that modify the chasok. Baseball, tennis, handball. Do the players have to move that requires a system of relations.The nervous and muscular systems.
Volleyball is the sport of tennis, baseball, handball, converted the disc with the player must make the move. The system relies on the relationship of the nerves. And musculoskeletal system
Volley ball is adapted to sports and tennis baseball handball together make a player required movement. To live the relationship of system nervous and muscular system.