Cough reflex
Cough reflex is a protective reflex to remove the irritant from the respiratory tract. Receptor for this reflex is from respiratory tract.
Irritation of any part of the respiratory tract serve as sensory impulse.
Vagus is the sensory nerve to endup in BSRF via Fasciculus solitarius nucleus.
Efferent nerve via vagus project to respiratory centre and laryngeal muscle to effect cough.