Butter will keep for a long time refrigerated. Up to 6 weeks. You can also freeze this product and it will keep for over a year.   Hi - I only accessed this question as I hâ¦ave just tried some butter I had in the fridge. It is now Sunday 14th June 2009.
Sperm can be stored inside the male body for approximately 3 weeks after they've matured, after which they die inside the body if not ejaculated. So the entire sperm life cycle inside a man's body if not ejaculated (10 week maturation time + 3 week storage lifespan) is approximately 13 weeks or about 3 months.
What Is the Function of Sperm? A sperm cell consist of two parts, the head and the tail. The overall structure of the sperm makes it perfectly designed to carry out its function. The primary function of sperm is to pass on the necessary biological information required to produce a new organism.