Mark the ture statement among the following with reference to normal breathing
(a) inspiration is a passive process whereas expiration is active
(b) Inspiration is a active process whereas expiration is passive
(c) inspiration and expiration are active processes
(d) inspitation and expiration are passive processes
The medullary ascending limb of nephron remains permeable to Sodium,pottasium(K+) and chloride(Cl−) ions by a specific transport process. What is it?