Byemployingthemethodof“classifyingbyanalogy”,theancientsestablishedextensiveconnectionbetweenthefiveelementsandthehumanbody.Thewoodcorrespondstotheliver,thegallbladder,theeyesandthetendons.Thefirecorrespondstotheheart,thelargeintestine,thetongueandthevessels.