Breathing and E...

At higher altitudes, the air becomes rarer and amount of oxygen per liter of air decreases.
Increase in all of the following would compensate this decrease for performing normal biological functions of our body, except

Transport of $$CO2$$ is in the form of 

During inspiration, the diaphragm 

(i) The respiratory surface is decreased.
(ii) The only cause of it is cigarette smoking.
(iii) Due to inflammation of bronchi and bronchioles.
(iv) Alveolar walls are damaged altogether.
(v) Difficulty in breathing causes wheezing.

Rate of breathing is controlled mainly by

Partial pressures of $$CO_2$$ at alveoli and oxygenated blood are, respectively (in mmHg)

Read the following statements (A to D)
(A) Rib is a flat bone connected vertebral column and dorsally to the sternum.
(B) First seven pairs of ribs are called true ribs.
(C) 8$$^{th}$$ ,9$$^{th}$$ and 10$$^{th}$$  pairs of the ribs are called vertebro sternal ribs.
(D) 10$$^{th}$$ and 11$$^{th}$$ pairs of ribs are not connected dorsally and are therefore called floating ribs.
How many statements are correct?

In the larva of frog the respiration is carried out by

When carbon dioxide concentration in blood increases, breathing becomes ............ and ...........

Maximum amount of $$CO_2$$ produced by our body is transported