Zoology Breathing and Exchange of Gases questions from NEET UG 2011.
A large proportion of oxygen is left unsused in the human blood even after its uptake by the body tissues. This $\mathrm{O}_2$
Two friends are eating together on a dining table. One of them suddenly starts coughing while swallowing some food. This coughing would have been due to improper movement of
Which one of the following is a possibility for most of us in regard to breathing, by making a conscious effort?
The figure given below shows a small part of human lung where exchange of gas takes place. In which one of the options given below, the one part A, B C or D is correctly identified along with its function. 