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. Hypovolemic shock is an emergency condition in which severe blood or fluid loss makes the heart unable to pump enough blood to the body. This type of shock can cause many organs to stop working. Losing about a fifth or more of the normal amount of blood in your body causes hypovolemic shock.