Question

What effect occur on the trachea and bronchi during sympathetic stimulation​

Answer 1

In essence, sympathetic nervestimulation produced an active increase in vascular resistance in the pulmonary circulation, and the contribution of passive factors such as changes in respiration, bronchomotor tone, and bronchial circulation was minimal.

Answer 2

Answer:

Parasympathetic stimulation causes bronchoconstriction while sympathetic stimulation causes bronchodilation. During an asthma attack, the muscles that encircle the airway tighten or constrict, limiting the flow of air to and from the lungs. The airway may also become further inflamed and plugged with mucus.

I hope it's help you