The Progeny of any human being starts with Sperm. The essential to give birth and bring new life to this universe. We have advanced so much in today's era but still, the creator of this universe always amaze us with their thought process and every single element around us.
The universe is built on the basic principle of birth and death and every day there are millions of people who come to this world and go and this cycle continues till this universe exists.
There are millions of sperm which release but only one is enough to give birth to a human being, which also shows how small fluid can create such a big impact.