A. Liver
A.
B. Kidney
B.
C. Spleen
C.
D. Heart
D.
Correct Answer: C
সঠিক উত্তর: C
Explanation
ব্যাখ্যা
The spleen is responsible for filtering old and damaged red blood cells (RBCs), effectively destroying them when they reach the end of their lifespan, hence the nickname "graveyard of RBCs".