Question

which of the following is not true 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.

Explanation:

The spleen contains macrophages for immune - function, is not vital as a person can live without it, and has slow - moving blood sinuses. Erythrocytes (red blood cells) are produced in the bone marrow, not the spleen.

Answer:

B. The spleen produces new erythrocytes.