Neural signal from which centre can reduce the duration of inspiration?

Which cranial nerve carries impulses to the expiratory centre in the medulla oblongata when stretch receptors are stimulated by the inflation of lungs to a critical level?

$A$ person with high fever may be breathing faster than normal. This faster breathing may be due to

The nerve impulses which stimulate the intercostal muscles and diaphragm and thus permit breathing, originate in the

What happens to the respiratory process in a man going up a hill?

Into how many types is the regulation of respiration divided?