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How do stomach acid and urine act as barriers to invading pathogens ?
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What is the term for the two sets of chromatids formed in the parent cell a.haploid b.diploid c.gamete d.tetrad
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Creating new things to solve problems and improve life depends on the close interaction of which two fields?
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What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
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How do stomach acid and urine act as barriers to invading pathogens ?...
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