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.
There is a device that can permanently replace the function of your heart. Side effect- you have no pulse.
There are people walking around with two hearts.
There exists a Broken Heart Syndrome that could potentially kill you.
A turtle heart continues to beat even after separating it from the body.
A snake can go a year without food if it digests its own heart and after a good meal the heart will grow back.
Women’ hearts beat faster than men’s.
Your heart beats over 100,000 times per day.
A shrimps heart is in it’s head.