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Questions tagged [haemoglobin]

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If during exercise the affinity of oxygen for haemoglobin is decreased, what are the general consequences for tissues?

During exercise more respiration occurs, and hence more oxygen is required. So the oxygen dissocation curve is shifted to the right. So at a given Oxygen partial pressure, the haemoglobin is less ...
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Effect of 2,3-bisphophoglycerate (2,3-BPG) on haemoglobin

When 2,3-bisphophoglycerate (2,3-BPG) binds to haemoglobin, a higher partial pressure of oxygen is needed to bring about 50% saturation of with oxygen. What is the physiological significance of this ...
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Why does the affinity of haemoglobin's for oxygen decrease at high altitudes?

My class 12 NCERT book says, Pg 226 The body compensates low oxygen availability by increasing red blood cell production, decreasing the binding affinity of haemoglobin and by increasing breathing ...
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Why does the affinity of haemoglobin for oxygen increase at higher elevations?

Why does the affinity of haemoglobin for oxygen increase if an organism lives at a higher elevation where the oxygen pressure is lower? Wouldn’t its affinity for oxygen decrease because the acidity ...