Question

The branch of the vagus that supplies the lungs is called

Answer 1

Pulmonary brances of the vagus nerve suplies the lungs.It can be further divided into anterior and posterior division
At the root of lung is a pulmonary plexus (made of sympathetic trunk of vagus nerve and recieves parasympathetic fibres from the same nerve)composed of afferent and efferent autonomic nerve fibres.Major supply is to bronchi and bronchioles,since little signal is given to or from alveoli.

Answer 2

pulmonary plexuses is the branch.