What explains how the maximum volume of oxygen is taken up as blood passes through the capillaries of the lungs?
1 )
Each haemoglobin molecule can temporarily bind to four oxygen atoms.
2 )
The dissociation of carbon dioxide from carboxyhaemoglobin allows more haemoglobin to be available for binding oxygen.
3 )
The binding of the first oxygen molecule to haemoglobin decreases the affinity of haemoglobin for binding other oxygen molecules.
Oxyhaemoglobin formation increases the ability of red blood cells to transport oxygen.
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