20 minutes after smoking a cigarette, blood pressure drops to normal.
37
Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
The lifespan of mammals is about 1 and a half billion heartbeats.
127
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
Quality dark chocolate contains flavonoids which help reduced the risk of heart disease.
176
Research has shown that allowing chocolate to melt in your mouth produced brain and heart rate activity that was simliar to - and even stronger than - that produced with passionate kissing.
173
Your heart will pump about 212 million liters in its lifetime.
26