State the volume of air remaining in the lungs after a normal breathing.

Fill in the blank: The volume of air left in the lungs after a maximum expiration is called ………….while the volume of air breathed out during a normal restful respiration is called …………….

Give the term for the volume of air inhaled and exhaled during a normal effortless breathing.

Write'True ' or 'False': Inspiratory reserve volume is the volume of air which can be inspired in addition to the normal inspiration.

In which of the following situations, does the list of numbers involved make an arithmetic progression, and why ? :- The amount of air present in a cylinder when a vacuum pump removes 1/4 of the air remaining in the cylinder at a time.

Fill in the blanks: Amount of air inspired or expired in a normal breath is ....... .

State the kind of chemical reactions in the following examples: Combustion of coal in air