The total volume of air a person can inspire after a normal expiration is called .........

The expiratory reserve volume will be (in $; mL$)

Distinguish between (Any two):
$(a)$ $IRV$ and $ERV$
$(b)$ Inspiratory capacity and Expiratory capacity
$(c)$ Vital capacity and Total lung capacity

Vital capacity of the lungs is defined as:

What is the volume of air remaining in the lungs after a forceful expiration,which is approximately $1500 \, ml$?

The volume of air that is present in the respiratory tract (from nose to the terminal bronchioles) but not involved in gaseous exchange is called . . . . . . .