Rate of breathing is controlled mainly by ------

Options :
  1. pH in blood
  2. carbon dioxide concentration in venous blood
  3. oxygen concentration in arterial blood
  4. all of the above
Answer and Explanation :-

Answer: Option 2

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 : Name the structure of man which is similar to spiracle of cockroach?

Next Question : A gland which is not associated with the alimentary canal is -------

Click here for online test on Physiology

Responses


 (Getemail alerts when others member replies)







I love to see a young girl go out and grab the world by the lapels. Life's a bitch. You've got to go out and kick ass.
-Maya Angelou