Respiratory throat is the gateway pharyngeal tonsils is the largest glands, under normal circumstances, tonsil constant liquid secretion, and can hide in the throat timely removal of the bacteria.

• 咽喉是呼吸道的门户，扁桃体是咽部最大的腺体，正常情况下，扁桃体不断有液体分泌出来，能将隐藏在咽喉部的细菌及时清除。