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  4. Describe the three lines of body defence in humans: (i) first line of defence - physical - chemical (ii) second line of defence - fever - inflammation - phagocytosis (iii) third line of defence - antibody - memory cell
Malay
BIOLOGI BAB 1(BAHAGIAN 3) -MEKANISME PERTAHANAN BADAN MANUSIA(SPM TINGKATAN 5)
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Chapter : Human Immunity
Topic : Describe the three lines of body defence in humans: (i) first line of defence - physical - chemical (ii) second line of defence - fever - inflammation - phagocytosis (iii) third line of defence - antibody - memory cell
Form 4 Biology
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