Best Answer - Chosen by the Asker
I hope I got your meaning,so I'll try to answer you.
I'll check one by one:
(a)
My belly (stomach) is hungry : shekame man gorosne ast
I m hungry : gorosne-am
(b) His body is tall : ghadash boland ast (of course "ghadash" means "his length" not "his body")
he is tall : ou boland ast
(c)
His age (years) is (are) young : senash kam ast (of course "kam" means "low" not "young")
he is young : ou javan ast
(d) His strength is strong : ghodratash ziad ast (of course "ziad" means "high" not "strong")
he is strong : ou ghavi ast
(e) My heart (mind, soul...) is happy : ghalbe(zehne,roohe ...)man shad ast
I m happy : man shadam
(f)
His eyes are blind :chashmane ou koor hastand
he is blind : ou koor ast
We use both types in our everyday usage.And no,there's not any restriction.For that kind of things which you said(poetry,expressing a kind of high degree).We use different words for these purposes.
