In order for a new organism to form the process of fertilization must occur. This means that a sperm and egg cell must unite. A sperm cell carries half of the genetic information from the father organism.
Hypovolemia, or oligemia, (also hypovolaemia or oligaemia) is a state of decreased blood volume; more specifically, decrease in volume of blood plasma.
Probably the most obvious cause of hypovolemic shock is loss of blood, which is termed hemorrhagic shock. A serious wound, especially one that severs a large artery, can result in loss of sufficient blood to cause shock.