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Anonymous
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what is blood made up of?
plasma, red blood cells, white blood cells and platelets
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what blood is carried around the body in three different types of blood vessels?
artery, vein, capillary
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what is the job of red blood cells?
transports oxygen
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what is the job of white blood cells?
defends against diseases
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what is the job of platelet?
helps blood to clot
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how many blood cells would fit into 1cm3?
5 000 000 000
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on average how many times does our heart pump blood each day?
1500 gallons
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what does blood also contain?
tiny cell fragments called platelets
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