human body vs bod

human body and bod both are nouns.

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

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

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

human body (noun)	bod (noun)
alternative names for the body of a human being	alternative names for the body of a human being