Posts

Showing posts with the label #Breathing#NCERT

BREATHING OR RESPIRATION PART-2:MECHANISM OF EXCHANGE OF GASES AND RESPIRATORY DISORDERS

Image
      In this post we are going to discuss about the mechanism of exchange of gases and Respiratory disorders in brief. For the breathing and human respiratory system post, click  here         Transverse Section of an                                 Alviolus   Respiratory   System   and   Capacities : • Tidal Volume (TV) : Volume of air inspired or expired during a normal respiration. It is approx. 500 mL., i.e., a healthy man can inspire or expire approximately 6000 to 8000 mL of air per minute. • Inspiratory Reserve Volume (IRV) : Additional volume of air, a person can inspire by a forcible inspiration. This averages 2500 mL to 3000 mL. • Expiratory Reserve Volume (ERV) : Additional volume of air, a person can expire by a forcible expiration. This averages 1000 mL to 1100 mL.  • Residual Volume (RV) : Volume of air remai...