What Are White Blood Cells Health Biology \INTRESTING AND LIFE HACK VIRAL VIDEOS

3 years ago
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In this video, we will learn more about white blood cells. White blood cells are our warriors; the army inside our body that protects us from infectious disease and foreign invaders. They make up less than 1% of our blood.

Our body has a first line of defence, which we saw in the video on ‘bodies defence against pathogens’, but when this fails our white blood cells kick into action.

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