5、thingallowsthesingerwillplayfreely.Associatedwiththerespiratoryorgansandtissueshavenoseandmouth,throat,trachea,lungs,diaphragmmuscle,ribmuscles,abdominalmusclesandsoon.Lungcanbestoredsuckedthebreath,thenexhaledthroughthelungstothemouth,nose.Abdominal breathing by using the lo