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Which of the following is a function of the excretory system?
Rheumatoid Factor
An autoantibody found in the blood that is a common indicator of rheumatoid arthritis.
Abbreviation
A method for shortening and simplifying phrases or expressions by using initial letters or parts of words.
Opening
An available or unoccupied space or opportunity.
Blood Vessels
Tubular structures carrying blood through the tissues and organs; a network of arteries, veins, and capillaries.
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