Answer: Spleen; damaged red blood cells present in blood
Step-by-step explanation:
The spleen is an organ of the lymphatic system of the body. It acts as a filter for blood and forms an important part of the immune system. The spleen is helped in recycling of the old red blood cells, the platelets and the white blood cells are stored in the spleen.
Thus the spleen is the lymphatic organ that must be prevented from the disorder to prevent the accumulation of damaged red blood cells in the blood.