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4Sci resp

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
atrium   either of the upper chambers of the heart  
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ventricle   either of the lower chamber of the heart  
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platelets   the parts of blood that can stick together to help blood out  
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plasma   the watery liquid part of our blood  
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valve   an opening that allows blood to flow in one direction but stops flowing in the other direction  
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red blood cells   carry oxygen from the lungs throughout your body and carry carbon dioxide back to the lungs so you can breathe it out  
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white blood cells   help your body fight infections when you become ill  
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capillary   a blood vessel with very thin walls that allow oxygen and carbon dioxide to pass through  
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artery   a blood vessel that carries blood away from the heart to other parts of the body  
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vein   a blood vessel that carries blood back to the heart from another part of the body  
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Created by: ajbennett5
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