5
Question
Which lymphoid organ primarily filters dead RBCs from blood?
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Solution
The correct option is A Spleen
Spleen is a secondary lymphoid organ placed just below the diaphragm. When blood flows into the spleen, red blood cells must pass through narrow passages within the organ. Healthy blood cells can easily pass, but old or damaged red blood cells are broken down by large white blood cells. The spleen will save any useful components from the old blood cells, including iron, so that they can be reused in new cells.
Spleen is a secondary lymphoid organ placed just below the diaphragm. When blood flows into the spleen, red blood cells must pass through narrow passages within the organ. Healthy blood cells can easily pass, but old or damaged red blood cells are broken down by large white blood cells. The spleen will save any useful components from the old blood cells, including iron, so that they can be reused in new cells.
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