a)Identify the graph?
b)What is the normal shape of this graph?
c)At which pO2, 30% of Hb saturated with oxygen?
d)What is the significance of this graph?

Dear student,

a- The graph shows oxygen dissociation curve.
b- The normal shape of the graph is sigmoid.
c- From the graph it is clear that when partial pressure of oxygen is 20 mm of Hg, 30% of Haemoglobin is saturated with oxygen.
d- This graph is useful in studying effects of factors like pCO2   , Hconcentration etc. on binding of Owith haemoglobin.


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