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phagocytosis

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Vitamin D is key to killing COVID

Piles of research exist explaining why vitamin D is crucial for prevention of viral infections and elimination of viral infections. This research applies to COVID as well. Watch this short snip from a longer video I did recently on the…

For thousands of questions and detailed answers, check out our GCSE workbooks https://www.amazon.co.uk/Dr-Shaun-Donnelly/e/B084FH9JPF?ref_=dbs_p_pbk_r00_abau_000000&_encoding=UTF8&tag=freesciencele-21&linkCode=ur2&linkId=1fbc0f5c3e7450e895637b56ee343168&camp=1634&creative=6738 Great deals on workbooks for schools https://www.freesciencelessons.co.uk/school-licences/ In this video, we look at how the immune system protects us from pathogens. First we look at phagocytosis, then…

This animation shows how the body naturally responds to and destroys invading bacteria. [Music] Even the smallest cut in your skin can be the start of an infection from different types of bacteria. Bacteria take advantage of the cut as…