Human Respiratory System
Quick practice
Question 1 of 5
How many characteristic feature given below are related to pleura.
(I) Double layered
(II) Fluid contained in it reduces the friction on the lung surface
(III) Its outer layer is in contact with thoracic wall
(IV) Its inner layer is in contact with lungs
Choose correct option.
A
III and IV
B
All of these
C
I and III
D
I and II
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