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the blood

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
what is the circulatory system?   the system that carries your blood  
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what are arteries?   carry blood away from the heart  
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what are veins?   carry blood back to the heart  
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what is blood that carries oxygen called?   oxygenated blood  
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what is blood that gave up most of its oxygen and is carrying carbon dioxide called?   deoxygenated blood  
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what are thicker - veins or arteries?   arteries because they come directly from the heart and have a lot of pressure going through them as the heart pumps  
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what are capillaries?   under every single inch of your skin, the vessels involved in providing your cells with the oxygen and nutrients they need to survive and pick up waste  
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main jobs of blood?   transport blood, oxygen, and nutrients, protect your bloody (white blood cells), carries platelets  
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Created by: Jennypalumbo
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