NK Cell (Natural Killer Cell) 2nd line of defence. Biology 1st year in Urdu/Hindi l Ch: Immunity |
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In this video Murad Alam has explained 2nd line of Defence NK in 12 minutes. The topic belongs to the Chapter Immunity 1st year (Grade 11) subject of Biology. Your comments and likes will be highly appreciated. Your comments and likes will be highly appreciated.
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