flesh vs human body

flesh and human body both are nouns.

Word	Noun	Adjective	Verb	Adverb
flesh	Yes	No	Yes	No
human body	Yes	No	No	No

As nouns, flesh and human body are synonyms defined as:

Other synonyms of flesh include anatomy, bod, build, chassis, figure, form, frame, material body, physical body, physique, shape, soma.

flesh (noun)	human body (noun)
alternative names for the body of a human being	alternative names for the body of a human being
the soft tissue of the body of a vertebrate: mainly muscle tissue and fat
a soft moist part of a fruit

flesh (verb)	human body (verb)
remove adhering flesh from (hides) when preparing leather manufacture