Chapter-17: Breathing and Exchange of Gases class 12 Biology notes for cbse board and NEET

 Chapter-17: Breathing and Exchange of Gasesclass 12  biology notes for cbse board and neet or jee

These notes targets NEET and CBSE board exam

it includes flowcharts and PYQs too

Respiratory organs in animals (recall only); Respiratory system in humans; mechanism of breathing and its regulation in humans – exchange of gases, transport of gases and regulation of respiration, respiratory volume; disorders related to respiration – asthma, emphysema, occupational respiratory disorders.