An adult human heart weighs about 10 ounces and beats over 100,000 times a day See more

A shrimp's heart is in its head. See more

Don't give a dog chocolate! Chocolate affects a dog's heart and nervous system; a few ounces are enough to kill a small dog. See more

The blue whale has a heart the size of a small car and its blood vessal is so broad, that a person could swim through it. See more

The human heart creates enough pressure when it pumps, to squirt out blood 30 feet high. See more

In a year, your heart can beat up to 40,000,000 times!. See more