Fill in the blanks :
(i) During normal quiet breathing on an average, approximately `"........."` ml of air is inspired or expired by adult human male in each `"........."` ml of air enters the lung alveoli for the exchange of gases. The remaining fills the respiratory passage and is termed `"........."`
(iii) the amount of air which one can inhale with maximum effort and also exhale with maximum effort is termed as `"........."` It is about `"........."` in normal adult person.
(iv) The air that always remains in the lungs even after forceful expiration is called `"........."` It is about `"........."`
(v ) The ratio of the volume of `CO_(2)` produced to the volume of `O_(2)` used in a unit time is called `"........."` .For fats it is `"........."`

Explanation

(i) 500 ml tidal (ii) 350 ml dead space air (iii) vital capacity 4000 ml (iv) Residual volume ,1500 ml (v) Respiratory Quotient less than 1 (0.7)