Explain oxygen dissociation curve.

Oxygen dissociation curve is:

Define oxygen dissociation curve.Discuss Bohr's effect.

Define oxygen dissociation curve. Can you suggest any reason for its sigmoidal pattern?

What is the shape of oxygen dissociation curve?

Discuss factors which affect oxygen dissociation curve?

Name the factors on which oxygen dissociation curve depends.

These questions consist of two statements each,printed as Assertion and Reason.While answering these questions you are required to choose any one of the following four responses. Assertion:Oxygen dissociation curve of haemoglobin is sigmoid. Reason:Oxygen dissociation curve moves toward left side with increase in CO_2 concentration in the air.