Amount of CO₂ in expired air is about

Left shift of oxyhaemoglobin curve is noticed under

Dead space air in man is

When temperature decreases oxyhaemoglobin curve will become

How much amount of air can be inspired or expired during normal breathing?

Given below are four matchings of an animal and its kind of respiratory organ 

I. Silver fish                        - Trachea

II.Scorpion                         - Book lung

III.Sea squirt                     - Pharyngeal gills

IV.Dolphin                         -Skin

The correct matchings are

Which one is the cofactor of carbonic anhydrase?

Which of the following respiratory organs are present in spiders and scorpions?

Which fact suggests that most oxygen is transported from lungs to the tissues combined with haemoglobin rather than dissolved in blood plasma?

After deep inspiration,capacity of maximum expiration of lung is called