Main Organ Recycles Old Red Blood Cells
This page is the CodyCross answer for the clue below from Physics, Group 1898, Puzzle 3 (Plasma Physics).
Question is: Main Organ Recycles Old Red Blood Cells
and the answer is: SPLEEN
Word Meaning:
SPLEEN — (anatomy, immunology) In vertebrates, including humans, a ductless vascular gland, located in the left upper abdomen near the stomach, which destroys old red blood cells, removes debris from the bloodstream, acts as a reservoir of blood, and produces lymphocytes.
Definitions from Wiktionary.