6mark questions- Jan 12

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  • Created by: Jenny
  • Created on: 01-06-13 14:14
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  • Explain how oxygen is loaded, transported and unloaded in the blood
    • Hemoglobin carries oxygen in red blood cells
    • Loading happens in the lungs at high partial pressure
    • Unloading releases to respiring tissues at low partial pressure
      • linked to higher carbon  dioxide concentration

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