Question
Question: The barrier between the air in alveolus and blood in pulmonary capillary consists of 3 layers and it...
The barrier between the air in alveolus and blood in pulmonary capillary consists of 3 layers and its total thickness
A
1mm
B
more than 1 mm
C
much less than 1 mm
D
2 mm
Answer
much less than 1 mm