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… such the nose, breathing passages, digestive tract, ears, eyes, and vagina. IgA antibodies protect body surfaces that … such the nose, breathing passages, digestive tract, ears, eyes, and vagina. IgA antibodies protect body surfaces that …
Medical tests
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… determine things like your blood type, hair colour, and eye colour. Genes can also affect your response to … determine things like your blood type, hair colour, and eye colour. Genes can also affect your response to …