Question

Which of the following statements are TRUE about respiration ?

 i) Hemoglobin has greater affinity for CO₂ than O₂ 

ii) The gaseous exchange takes place in the alveoli 

iii) During inhalation ribs move inward and diaphragm is raised 

iv) Hemoglobin has greater affinity for O₂ than CO₂ 

a) ii and iv

b) i and iii 

c) ii and iii 

d) i and ii

Answer 1

Correct option is a) ii and iv