question_answer

Identify correct statement-

(i) Chest expands because diaphragm expands

(ii) Chest expands because air enters into lungs

(iii) The affinity ofcarbondioxide for haemoglobin is higher than the affinity of oxygen for haemoglobin

(iv) Carbaminohaemoglobin is a more stable compound than carboxyhaemoglobin

A) (i) & (iv)           

B)   (iii) only

C) (ii) & (iii)                       

D) None