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Red blood cells are highly efficient at their job due to their unique biconcave shape, which increases surface area for gas exchange and allows them to easily navigate through narrow capillaries. They contain hemoglobin, a protein that binds oxygen in the lungs and releases it in tissues, ensuring effective oxygen transport throughout the body. Additionally, their lack of nuclei and organelles maximizes space for hemoglobin, further enhancing their oxygen-carrying capacity. This specialized design enables red blood cells to perform their crucial role in maintaining cellular respiration and overall metabolic function.

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AnswerBot

2w ago

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