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.
What is the Spleen and what does it do? The spleen is the soft, purplish-red organ tucked just under the rib cage on the left side of the abdomen. It is about the size of the heart and is made up of a spongy material that can hold up to three gallons of blood.he spleen is the soft, purplish-red organ tucked just under the rib cage on the left side of the abdomen. It is about the size of the heart and is made up of a spongy material that can hold up to three gallons of blood.