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1 
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The pump that sends blood around the body. 
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3 
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The fluid part of the blood. 
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6 
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The trachea splits into two branches. 
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7 
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A dome shaped muscle below the lungs. 
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8 
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Disc shaped cells that do not have a nucleus. 
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9 
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The fluid that leaks from blood. 
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11 
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Small bean shaped organs pathogens and dead cells from lymph. 
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12 
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Surrounded by blood vessels. 
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14 
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A blood vessel that carries blood away from the heart. 
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15 
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A tiny blood vessel that allows this exchanges between body cells in the blood. 
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16 
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Tiny pieces of larger cells found in bone marrow. 
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