Blood
Blood is one of our most important bodily fluids. As blood flows around our bodies, it carries essential substances to our cells, and removes wastes.
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Blood is one of our most important bodily fluids. As blood flows around our bodies, it carries essential substances to our cells, and removes wastes.
A type of immune cell has been found inside tumours that helps our bodies mount attacks against cancer. Boosting these cells may lead to a new kind of treatment