Women's hearts beat faster than men's.
Heart disease is the No. 1 killer of women.
When Ashton Kutcher was 13 years old, he contemplated committing suicide in order to give his heart to his dying brother.
Famous science-fiction writer Isaac Asimov died as the result of an HIV infection from a blood transfusion given during triple-bypass heart surgery.
Your left lung is smaller than your right lung to make room for your heart.
Your heartbeat changes and mimics the music you listen to.
Your heart will pump nearly 1.5 million barrels of blood during your lifetime, enough to fill 200 train tank cars.
Your heart can keep beating even if it is separated from the body because it has its own electrical impulse.
Your heart beats over 100,000 times per day.
While sudden heart attacks during sex are rare, 75% of them happen to men who are cheating on their wives.