Which of the following is not a function of the spleen?
A) The spleen contains a large population of macrophages.
B) The spleen produces new erythrocytes.
C) The spleen is not a vital organ; a person can live without a spleen.
D) The spleen consists of slow-moving blood sinuses.
B
Explanation: The spleen does not produce new erythrocytes; it recycles the iron out of old ones. The other statements regarding the spleen are true.
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