What is the definition of Sustainable Blood Cells?

"Sustainable blood cells" is like a superhero team of red blood cells, white blood cells, and platelets all working together to keep our bodies running smoothly, without breaking the bank (or the environment). They're the unsung champions of our health, always on the move, never getting old, and with a knack for turning any blood crisis into a wellness opportunity.

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Here's an edgy example sentence: "Despite the grim statistics about blood donation shortages, the sustainable blood cell factory in the lab decided to go vegan and started brewing blood from beet juice instead."