When Erythrocytes Are Old or Die, How Are They Removed

question 9

Multiple Choice

When erythrocytes are old or die, how are they removed from the blood stream?

• A) the liver filters them out
• B) they break up into small particles and are cleared out by the kidneys.
• C) they dissolve into liquid and circulate in that form in the blood
• D) they are attacked by macrophages and removed
• E) they stay as intact dead cells and are filtered out by the kidneys

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