( ( These functions ) ( ( control ( ( mostly ( parallel ( and ( serial processing ) ) ) ) ( in ( the ( human brain ) ) ) ) ) . ) )
(ROOT (S (NP (DT These) (NNS functions)) (VP (VBP control) (NP (NP (ADVP (RB mostly)) (JJ parallel) (CC and) (JJ serial) (NN processing)) (PP (IN in) (NP (DT the) (JJ human) (NN brain))))) (. .)))
These functions control  mostly parallel and serial processing in the human brain.
(ROOT (S (ADVP (RB Not) (RB surprisingly)) (, ,) (NP (JJ controlling) (NN flight)) (VP (VBZ is) (NP (NP (DT the) (NN function)) (PP (IN of) (NP (NP (DT the) (ADJP (RBS most) (JJ developed)) (NN part)) (PP (IN of) (NP (NP (DT a) (NN bird) (POS 's)) (NN brain))))))) (. .)))