Tag Archives: heart

WTF Fun Fact – A “Heart” In Each Horse Hoof

Horses have a “pumping mechanism” in each hoof which helps return blood to the heart. The mechanism is necessary due … Read More & Source The post WTF Fun Fact – A “Heart” In Each Horse Hoof appeared first on WTF Fun Facts. Source

In 1991 it was discovered…

In 1991 it was discovered that the heart has its “little brain” or “intrinsic cardiac nervous system.” This “heart brain” is composed of approximately 40,000 neurons that are alike neurons in the brain, meaning that the heart has its own nervous system. The post In 1991 it was discovered… appeared first on Crazy Facts. Source