First, he was a son of Bold Ruler, who fathered many thoroughbreds who were lightning on dirt.But Secretariat also had something in common with the cheetah, whose heart and lung capacities help make him earth's fastest animal. Secretariat's heart weighed 22 pounds, or 2.5 times the average weight of a horse's heart.
Thursday, October 07, 2010
Secretariat's Secret
Secretariat had a secret that I'm inferring was not discovered until an autopsy:
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