Our red blood cells typically last about 110-
120 days. If a red blood cell is damaged or
becomes old, it is filtered out and destroyed by
the liver and spleen. Damaged or old red blood
cells basically get stuck in these organs where
macrophages, one of our bodies main immune
defense cells, destroy them. Anemia is a disease
that occurs if this process occurs too fast and
our red blood cells are destroyed faster than
our body can make new ones.
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