The biology exam question asks what gives blood its red color, with the correct answer being hemoglobin (option B). But someone snuck in "communism" as option E, playing on the classic "red = communism" association! The bottom image shows a Soviet soldier with red blood cells superimposed on his face declaring "I serve the Soviet Union" - as if the red blood cells themselves are loyal communist comrades! The iron in hemoglobin might be abundant, but apparently our red blood cells have been serving the communist agenda this whole time! Biology teachers everywhere are both facepalming and secretly giggling at this one.
Blood Cells: Secret Soviet Agents

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