In human, which one among the following, with reference to breathing, is correct

Options :
  1. during inhalation, diaphragm relaxes
  2. during exhalation, thorax cavity expands
  3. during inhalation, intrapleural pressure becomes more negative
  4. all are true
Answer and Explanation :-

Answer: Option 1

Explanation:

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 : Which one among the following produces seeds but not flowers

Next Question : Which one among the following is not a good source of nutritional calcium

Click here for online test on General Science

Responses


 (Getemail alerts when others member replies)







A KIND OF ILLNESSThis ache in my chest is a relentless thing, worse than any fever.A fever is gone with a few of Mumtaz's white pills. But this illness has had me in its grip for a week now.This affliction--hope--is so cruel and stubborn, I believe it will kill me.
-Patricia McCormick Sold