What is the definition of Mails Blood Cells?

"Mails blood cells" is a whimsical way to describe the process where red blood cells, those tiny, hardworking warriors of the circulatory system, receive and deliver oxygen throughout our bodies like postal workers delivering love letters. It's a bit like sending someone a blood transfusion, but instead of flowers or chocolates, they get a package of superheroes in a tiny blood cell package.

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Edgy example sentence: "The alien invasion was so terrifying, it sent my blood cells into a frenzy, mailing themselves across the galaxy in a desperate bid to save Earth from interstellar neglect."