Wisdom teeth, or third molars, may come into the mouth as early as 16 years of age but usually they come in several years later. This question is prompted by hearing stories about wisdom tooth problems. These problems are often due to inadequate space in the back of the mouth for these teeth to grow in.
The spleen plays important roles in regard to red blood cells (also referred to as erythrocytes) and the immune system. It removes old red blood cells and holds a reserve of blood, which can be valuable in case of hemorrhagic shock, and also recycles iron. In humans, up to a cup (236.5 ml) of red blood cells can be held in the spleen and released in cases of hypovolemia. 2  It can store platelets in case of an emergency and also clears old platelets from the circulation.
http://wiki.answers.com/Q/What_does_spleen_do_for_your_body. The spleen is a gland that works closely with the circulatory system. The spleen produces, monitors, destroys and stores red blood cells. The spleen also has two other functions, the red and white pulp.he spleen also helps your body fight infection. You can live without your spleen, if something happens and it has to be removed, then your liver and lymph nodes will be able to step in and take over the spleen's functions.