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What is the difference between a closed and an open circulatory system? a. an open system has capillaries and blood vessels c. a closed system lacks capillaries b. a closed system has capillaries and blood vessels d. in a closed system blood bathes the tissues directly
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Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.
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This comparative chart is an example of one that might be used by scientists and law enforcement personnel for identification purposes. the chart represents a technological advance called
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Hemoglobin is a proton that carries oxygen around the body what is hemoglobin made from
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What is the difference between a closed and an open circulatory system? a. an open system has capill...
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