Friction of lungs surface reduces by --------

Options :
  1. single layered pleura
  2. ribs covering lungs
  3. double layered pleura
  4. none of the above

Answer and Explanation :-

Answer: Option 3


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Lungs comprises --------

Next Question : Name the actual site of exchange of gases in the lungs is --------

Click here for free online test on Physiology


 (Getemail alerts when others member replies)

Day after day, day after day,We stuck, nor breath nor motion As idle as a painted shipUpon a painted ocean.
-Samuel Taylor Coleridge The Rime of the Ancient Mariner