Guinea is often subdivided into . Lower Guinea  and  Upper Guinea . Lower Guinea is one of the most densely populated regions of Africa, covering southern Nigeria, Benin, Togo and stretching into Ghana. It includes the coastal regions as well as the interior.
hypovolemic shock. 1. a type of shock caused by reduced blood volume, as from massive bleeding or dehydration. Compare cardiogenic shock, anaphylactic shock. hypovolemic shock n. Shock caused by a reduction in the volume of blood, as from hemorrhage. Discover our greatest slideshows.
Hypovolemic shock is most often the result of blood loss after a major blood vessel bursts or from a serious injury. This is called hemorrhagic shock. You can also get it from heavy bleeding related to pregnancy, from burns, or even from severe vomiting and diarrhea. Causes