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Circulation and Respiration
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What does respirate mean?
to breathe
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What in the blood carries oxygen to the cells?
red blood cells
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What do platelets in the blood do?
they clot when cuts occur
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What do cells need to function?
oxygen and sugar
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What takes up the most room in the blood?
plasma
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What wastes do cells produce?
carbon dioxide and water
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How many components make up blood?
4 (plasma, RBC, WBC, platelets)
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What does circulate mean?
to move all around
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What in the blood fights infections?
White Blood Cells
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What happens to your heart when you exercise?
it pumps faster
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Where do oxygen and carbon dioxide get exchanged?
alvioli in the lungs
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Where is blood made?
bone marrow
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