( ( All this ) ( ( requires ( ( activation ( of ( adhesive processes ) ) ) ( that ( ( ( allow ( vascular cells ) ) ( ( ( to ( bind ( to ( each other ) ) ) ) and ) ( to ( cells ( in ( the organs ) ) ) ) ) ) ( where ( ( the leukocytes ) emigrate ) ) ) ) ) ) . ) )
(ROOT (S (NP (PDT All) (DT this)) (VP (VBZ requires) (NP (NP (NN activation)) (PP (IN of) (NP (JJ adhesive) (NNS processes))) (SBAR (WHNP (WDT that)) (S (VP (VBP allow) (NP (NN vascular) (NNS cells)) (PP (PP (TO to) (NP (NP (NN bind)) (PP (TO to) (NP (DT each) (JJ other))))) (CC and) (PP (TO to) (NP (NP (NNS cells)) (PP (IN in) (NP (DT the) (NNS organs)))))) (SBAR (WHADVP (WRB where)) (S (NP (DT the) (NNS leukocytes)) (VP (VBP emigrate))))))))) (. .)))
All this requires activation of adhesive processes that allow vascular cells to bind to each other and to cells in the organs where the leukocytes emigrate.
(ROOT (S (NP (DT A) (PRN (-LRB- -LRB-) (NP (NN n)) (-RRB- -RRB-)) (NN cell)) (VP (VBZ is) (NP (NP (DT the) (JJS lowest) (NN level)) (PP (IN of) (NP (NN organism))) (SBAR (WHNP (WDT that)) (S (VP (MD can) (VP (VB perform) (NP (NP (DT all) (NNS activities)) (VP (VBN required) (PP (IN for) (NP (NN life))))))))))) (. .)))