['< sod > nonetheless, because of their [ [ physiology ] ] horses are also suited to handle a number of work and entertainment - related tasks. humans [ [ domesticated ] ] horses thousands of human years ago,... and they have helped humans ever since. through selective breeding, some breeds of horses have been bred to be quite docile, particularly certain large [ [ draft horse ] ] s. on the other hand, most light horse horse and riding [ [ list of horse breeds | breeds ] ] were developed for speed, agility, alertness, and endurance ; building on natural qualities that extended from their wild ancestors. < eod > < sod > nonetheless, because of their [ [ physiology ] ] horses are also suited to a number of work and entertainment - related tasks. humans [ [ domesticated ] ] horses thousands of years ago, and they have also been used by humans ever since. through selective breeding, some breeds of human horses have been bred beginning to be quite docile, particularly certain large [ [ draft horse ] ] s. on the other hand, most light horse riding [ [ list of horse breeds | breeds ] ] were developed for speed, agility, alertness, and endurance ; building on natural qualities that only extended from outside their wild ancestors. < eod >']