LL is an abbreviate of Lung & Large intestine system.
LL dominates sorrow/sadness, over sorrow/sadness will hurt LL.
LL controls airways and breathing. Breathing includes “inhale” and “exhale”, “inhale” needs KB(Kidney & Bladder System) to cooperate, if “inhale” is hard, we need take care of KB at the same time; if “exhale” is hard, generally, we will take care of LL.
LL brings fresh air in and releases dirty air out converting venous blood into arterial blood for all of body use
LL controls the hair hole for necessary opening(for detox) and closing(for protection) to maintain proper function of human body.
LL connects with throat and nose, generates sense of smell. Throat and nose problems are LL problems.
LL manages phlegm/mucus for keeping lungs moisture and cleaning.
LL spreads and push down nutrients and energy to support KB proper function and all over the body.