Question

Mark the true statement among the following with reference to normal

breathinga. Inspiration is a passive process where as expiration is activeb. Inspiration is a active process where as expiration is passivec. Inspiration and expiration are active processesd. Inspiration and expiration are passive processes

Answer 1

Inspiration is an active process using the diaphragm and muscles whereas expiration is passively driven by elastic recoil.
Hence inspiration is a active process where as expiration is passive.