Air that remains in lungs after most powerful expiration is ___

Oxygen dissociation curve will shift to right on decrease of________

Suffocation is caused due to_______

In which part of lungs gaseous exchange takes place in human?

Human lungs are made up of _____

At which thoracic vertebrae does the trachea branch?

Formation of oxyhaemoglobin is a/an ____

Every 100 ml deoxygenated blood delivers around ___ carbon dioxide to alveoli.