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Across 4. What detoxifies foreign proteins during allergic reactions and parasitic infections? 9. A hormone produced by the liver that increases the rate of platelet production. 11. What stimulates the red bone marow to increase the rate of red blood cell production? 12. What is the most abundant plasma protein?

Down 1. What is a way to measure the amount of red blood cells? 2. What organ produces erythropoietin? 3. The term for a low platelet count. 5. What contains the anticoagulant hparin and histamine, which contributes to inflammation? 6. An anticoagulant that helps prevent abnormal clotting within blood vessels. 7. A condition in which the whites of the eyes appear yellow. 8. What gives red blood cells the ability to carry oxygen? 10. Where is excess iron stored?