body structure vs anatomical structure

body structure and anatomical structure both are nouns.

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

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

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

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

body structure (noun)	anatomical 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