Paedagogica Index. 1  You don't just read about Seneca or Caesar; you read the words of Seneca and Caesar themselves. You don't just speak your own modern language unreflectively, but you learn where much of it came from, after actually seeing the contents and the workings of one of its greatest sources.
The spleen will save any useful components from the old blood cells, including iron, so they can be reused in new cells. The spleen can increase in size in order to store blood. The organ can widen or narrow, depending on the bodyâs needs. At its largest, the spleen can hold up to a cup of reserve blood. Spleen problems
The human spleen is an organ found in humans with important roles in regard to red blood cells and the immune system. It is located in the left upper quadrant of the abdomen. The spleen is part of your lymphatic system, which fights infection and keeps your body fluids in balance.It contains white blood cells that fight germs. The human spleen also helps control the amount of blood in human body, and destroys old and damaged cells. The spleen is encased in a thick connective-tissue capsule.he spleen is part of your lymphatic system, which fights infection and keeps your body fluids in balance. It contains white blood cells that fight germs. The human spleen also helps control the amount of blood in human body, and destroys old and damaged cells. The spleen is encased in a thick connective-tissue capsule.