body structure vs bodily structure

body structure and bodily structure both are nouns.

Word	Noun	Adjective	Verb	Adverb
body structure	Yes	No	No	No
bodily structure	Yes	No	No	No

As nouns, body structure and bodily structure are synonyms defined as:

body structure and bodily structure: a particular complex anatomical part of a living thing and its construction and arrangement

Other synonyms of body structure include anatomical structure, complex body part, structure.

body structure (noun)	bodily structure (noun)
a particular complex anatomical part of a living thing and its construction and arrangement	a particular complex anatomical part of a living thing and its construction and arrangement