With regard to the respiratory system and the process of respiration in man, give the overall chemical equation to represent the process of respiration in human.

With regard to the respiratory system and the process of respiration in man, what is meant by residual air?

With regard to the respiratory system and the process of respiration in man, What is meant by dead airspace?

What are the functions of ribs?

What are the functions of diaphragm?

What are the functions of abdominal muscles?

Given below is a diagrammatic sketch of a part in human lungs. 

a. Name the parts numbered 1-4.

b. What do the arrows 5 and 6 indicate?

Given below is the overall chemical reaction of a certain process.

C₆H₁₂O₆---------> Lactic acid+ 2ATP+ Heat energy

a. Name the process.

b. Is this reaction applicable to animals or to plants or to both animals and plants.

c. Name the tissue in which this reaction may occur.