The oxygen-carrying capacity of haemoglobin is:

During inspiration, the diaphragm:

The volume of air remaining in the lungs after a forceful expiration is called:

CO₂ is mainly transported in blood as:

Vital capacity is:

Partial pressure of oxygen in alveolar air is approximately:

The chloride shift (Hamburger phenomenon) involves exchange of:

Bohr effect describes:

Pneumotaxic centre is located in:

Tidal volume is approximately:

Carbonic anhydrase is found in:

Asthma is characterized by:

Oxygen dissociation curve is:

Emphysema is characterised by:

The Haldane effect describes:

Internal respiration refers to:

Surfactant in alveoli is produced by:

Dead space volume is approximately:

Oxyhaemoglobin releases O₂ most readily when:

Total lung capacity equals: