GENERAL HISTOLOGY

Detailed explanation-1: -The correct option is a) removes worn-out blood cells. The spleen plays various roles in the body. The principal role is filtering blood to maintain a good balance of body fluids, as well as to remove old and worn out red blood cells.

Detailed explanation-2: -The spleen is a small organ inside your left rib cage, just above the stomach. It’s part of the lymphatic system (which is part of the immune system). The spleen stores and filters blood and makes white blood cells that protect you from infection. Many diseases and conditions can affect how the spleen works.