And as you know I'm a doctor. So if you live 70 years then your heart has beat 2.5% billion times. That is a complexity of being human being.If you laid open your blood vessel and join together, it will encircle Earth four times. Our circulatory system is 60,000 miles. That is a complexity of human system in our body. We have got 7 into if you multiply 7 by 27 zeros that is the number of atoms in our body. And the number of atoms in our body, they are more than the number of stars you can see in the univers ...