👉 A marathon runner's body bursts into action as a million red blood cells rush to replenish oxygen supply. Every second counts; these tiny warriors rapidly traverse bloodstream, ensuring muscles receive vital oxygen and carbon dioxide removal.
👉 A marathon runner's body bursts into action as a million red blood cells rush to replenish oxygen supply. Every second counts; these tiny warriors rapidly traverse bloodstream, ensuring muscles receive vital oxygen and carbon dioxide removal.
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