After erythrocytes have circulated for about 120 days,they are removed by macrophages,which are mainly in the:
A) Liver
B) Spleen
C) Appendix
D) Bone marrow

Question

Quizplus · Accepted Answer

Aged or damaged erythrocytes are removed from the bloodstream by macrophages of the MPS chiefly in the spleen.
Aged or damaged erythrocytes are removed from the bloodstream by macrophages of the MPS chiefly in the spleen,not the liver.
Aged or damaged erythrocytes are removed from the bloodstream by macrophages of the MPS chiefly in the spleen,not the appendix.
Aged or damaged erythrocytes are removed from the bloodstream by macrophages of the MPS chiefly in the spleen,not the bone marrow.

After Erythrocytes Have Circulated for About 120 Days,they Are Removed