character: Red Blood Cell Structure
topic: The unique biconcave shape of red blood cells increases their surface area for oxygen absorption.
grade: 9
subject: Science
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character: Hemoglobin Function
topic: Hemoglobin within red blood cells binds to oxygen in the lungs and releases it in the tissues.
grade: 9
subject: Science
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character: Lifespan of Red Blood Cells
topic: Red blood cells have a lifespan of about 120 days before they are recycled by the spleen.
grade: 9
subject: Science
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character: Red Blood Cell Production
topic: Red blood cells are produced in the bone marrow and are vital for maintaining oxygen transport in the body.
grade: 9
subject: Science
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