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Diffusion of O_{2} and CO_{2} between blood and tissues is called 

 

Option: 1

external respiration

 


Option: 2

Pulmonary ventilation

 


Option: 3

Breathing

 


Option: 4

Internal respiration 

 


Answers (1)

best_answer

 

 

Overview of the Process of Respiration -

Respiration involves the following steps:

  • Breathing or pulmonary ventilation by which atmospheric air is drawn in and CO2  rich alveolar air is released out. It is also called gaseous exchange by lungs.
  • Diffusion of gases (O2 and CO2) across the alveolar membrane. This is called external respiration.
  • Transport of gases by the blood.
  • Diffusion of O2 and CO2 between blood and tissues. This is called internal respiration.
  • The utilisation of O2 by the cells for catabolic reactions and resultant release of CO2. this is called cellular respiration.
     

 

Diffusion of O_{2} and CO_{2} between blood and tissues is called internal respiration. Hence, the correct option is 

Internal respiration 

Posted by

Sanket Gandhi

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