Identify A and B in the given oxygen-haemoglo | vedclass

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(B) The given graph represents the oxygen-haemoglobin dissociation curve.In the lungs,the partial pressure of $O_{2}$ $(pO_{2})$ is high,which facilit

Vedclass · Accepted Answer

$A-$Lungs; $B-$Tissue

Vedclass · Answer

(B) The given graph represents the oxygen-haemoglobin dissociation curve.In the lungs,the partial pressure of $O_{2}$ $(pO_{2})$ is high,which facilitates the binding of $O_{2}$ with haemoglobin,leading to high percentage saturation of haemoglobin. This corresponds to point $A$ on the curve.In the tissues,the partial pressure of $O_{2}$ $(pO_{2})$ is low due to metabolic activity,which causes the dissociation of $O_{2}$ from oxyhaemoglobin,leading to lower percentage saturation. This corresponds to point $B$ on the curve.Therefore,$A$ represents lungs and $B$ represents tissues.

Identify $A$ and $B$ in the given oxygen-haemoglobin dissociation curve and choose the correct option accordingly.

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