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What percentage of tropical forest timber is used in Japan?
Rh Factor
A type of protein on the surface of red blood cells that indicates the presence (+) or absence (-) of the Rh antigen, important in determining blood compatibility.
AB Positive
A blood type characterized by the presence of both A and B antigens on the surface of red cells and no antibodies in the plasma, making it the universal recipient type.
Antibodies
Proteins produced by the immune system in response to foreign substances, which they help to neutralize or destroy.
White Blood Cells
Cells in the blood that are part of the immune system, responsible for fighting infections and foreign substances.
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