juvenile vs juvenile body

juvenile and juvenile body both are nouns.

Word	Noun	Adjective	Verb	Adverb
juvenile	Yes	Yes	No	No
juvenile body	Yes	No	No	No

juvenile (noun)	juvenile body (noun)
a young person, not fully developed	the body of a young person

juvenile (adjective)	juvenile body (adjective)
of or relating to or characteristic of or appropriate for children or young people
displaying or suggesting a lack of maturity