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whit blood cell travel through the blood and are part of the cardiovascular system. which other system also contains white blood cells
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Why do farmer's kill animals in a mean way, don't farmer's have feeling's?
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Active immunity refers to: a. the defenses people are born with. b. temporary immunity granted from another source. c. immunity gained through immunization and exposure to diseases. d. natural immunities that protect humans from other animal diseases
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whit blood cell travel through the blood and are part of the cardiovascular system. which other syst...
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