In first two steps we have discussed what a perfect and amazing world we live in. Nevertheless the same amazing and perfect world is inside of us. All organs are located at very convenient for communication scheme. Blood circulatory system arranged so that life blood could reach each cell of the body. Protection system functions for the whole organism. We can see, hear, think, understand, breath, move and even talk, no other living creature on Earth can do it as well. People trying to find explanation to origin of Earth and every living things on it. They create various theories, philosophize on the mater, trying to explain unexplainable.