Biology, 28.02.2021 18:30 giiffnlojd
White blood cells are part of the immune system. White blood cells help the body to defend itself against pathogens. Describe how pathogens cause infections and describe how the immune system defends the body against these pathogens.
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What are the formed elements (cell or parts of cell) in blood and what are their functions ?
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When analyzing tree rings, what do scientists assume a thin ring indicates?
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Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.
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White blood cells are part of the immune system. White blood cells help the body to defend itself ag...
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