What is the definition of Placing Blood Cells?

"Sure, 'placing blood cells' is like saying a superhero decides to drop a squad of blood cells on the battlefield. It's a fancy way of saying they're strategically positioning their medical supply kit in the most... dramatic spot possible."

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Now, here's an edgy example sentence: "As the gangster sneaked into the hospital, he decided to 'place blood cells' on the nurses' comms system, hoping to start a blood-brain-cell war."