( ( These cells ) ( ( are ( ( the ( building blocks ) ) ( ( from which ) ( ( ( every ( successive cell ) ) ( in ( the ( human body ) ) ) ) develops ) ) ) ) . ) )
(ROOT (S (NP (DT These) (NNS cells)) (VP (VBP are) (NP (NP (DT the) (NN building) (NNS blocks)) (SBAR (WHPP (IN from) (WHNP (WDT which))) (S (NP (NP (DT every) (JJ successive) (NN cell)) (PP (IN in) (NP (DT the) (JJ human) (NN body)))) (VP (VBZ develops)))))) (. .)))
These cells are the building blocks from which every successive cell in the human body develops.
(ROOT (S (NP (NNS Cells)) (VP (VBP are) (NP (NP (DT the) (VBN specialized) (NN building) (NNS blocks)) (PP (IN of) (NP (PRP$ your) (NN body))))) (. .)))