Well not quite. A horse has a heart like a human between the lungs and ribs and above the diaphragm but a horse has no muscular structure to its lower leg.
So how does the blood get back up the leg from the hoof to the heart?
They have a frog in each hoof that acts as a pump and pushes the blood back up their leg with each step. The frog also acts as a shock absorber when they have no shoes on. When the hoof is on the floor, it expands and fills with blood. When it is picked up, it contracts and the blood is sent back up the hoof to the heart …..hence the phrase ‘ a horse has five hearts.’
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