👉 Hemoglobin cells rushed to repair the damaged lung tissue, zigzagging through narrow airways. White blood cells whirlwinded around invading pathogens, safeguarding the lungs from infection.
👉 Hemoglobin cells rushed to repair the damaged lung tissue, zigzagging through narrow airways. White blood cells whirlwinded around invading pathogens, safeguarding the lungs from infection.
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