Mfumo wa kinga ya mwanadamu una seli na molekuli anuwai ambazo zinafanya kazi pamoja kulinda mwili kutokana na shambulio la pathogenic.
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10 Ukweli Wa Kuvutia About The science of the human immune system and disease prevention

10 Ukweli Wa Kuvutia About The science of the human immune system and disease prevention