odd one out (along with reason)

Diffusion, Respiratory gases, Alveoli , capillary network 

Asked by anshumangenx | 15th Aug, 2018, 10:21: AM

Expert Answer:

Diffusion is the answer as it is a process and the others are a part of the respiratory system

Answered by Sivanand Patnaik | 15th Aug, 2018, 11:30: AM