Unlike other cells, red blood cells have no nucleus. This gives them more space to carry oxygen and makes them lighter, which helps your heart to pump trillions of red blood cells throughout your body.
एक नवीन कोशिका तुमच्या रक्‍तात उतरते तेव्हा ती तुमच्या हृदयातून १,००,००० पेक्षा अधिक वेळा अभिसृत होते.