Sperms, they hardly need an introduction. They are the root cause behind our existence. The male reproductive cell is developed in the testicles and is released from the penis. The quality and quantity of sperm are the only deciding factors behind the fertility of a man.
You agree or not, but sperms are one of the most vital parts of the whole human mechanism and it is extremely important to have complete information about something that developed us into who we are.
#1 A large majority of them are abnormal!
Almost 90% of an ejaculation contains sperms that are malformed. Actually, they do not even need to be perfect as sperms of one person are not supposed to compete with those of another person.