When you pass on, your power of attorney stops working and your executor takes over. Granting a power of attorney and appointing an executor for your estate both authorize another individual to act for you as a legal representative. An executor carries out your wishes for your estate after your death. A power of attorney assigns someone to carry out your wishes while you're alive.
It produces the female egg cells necessary for reproduction, called the ova or oocytes. The system is designed to transport the ova to the site of fertilization. Conception, the fertilization of an egg by a sperm, normally occurs in the fallopian tubes.
This determines the gender of the baby at the very point of egg fertilization. It will also play a role in the race to reach the egg. While male sperm aren't as hardy, they have a speed advantage. Though slower than their male counterparts, the advantage in longevity goes to female sperm.