What is the definition of Identify Blood Cells?

"Identifying blood cells is like trying to spot a needle in a haystack, but instead of a needle, you're looking for tiny, mysterious creatures that tell our body's story in blood. It's like being a detective in a crime drama, but instead of guns, you're chasing red blood cells and white blood cells that don't quite fit the norm. And here's a darkly humorous example: 'I decided to identify blood cells when I noticed the janitor was secretly a superhero with an army of invisible blood-sucking vampires!'"