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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 SPM T4- Bab 11 Keimunan Manusia
Contributor : Firdaus Mendel Report this Video
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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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