श्वसन सतह (respiratory surface) क्या है?

निकाय क्या है?

Enlist the characteristics of respiratory surface .

दक्षता क्या है ?

Major cause for the respiratory disorder, characterized by decreased respiratory surface area is

Major cause for the respiratory disorder, characterized by decreased respiratory surface area is

The respiratory medium flows unidirectionally over the respiratory surface in the gas-exchange systems of:

दर क्या होता है?