( ( By ( the ( twenty-first day ) ) ) ( ( ( the foundations ) ( of ( ( ( ( ( ( the ( child 's ) ) brain ) , ) ( ( ( ( spinal cord ) , ) nerves ) , ) ) and ) ( sense organs ) ) ) ) ( ( are ( completely formed ) ) . ) ) )
(ROOT (S (PP (IN By) (NP (DT the) (JJ twenty-first) (NN day))) (NP (NP (DT the) (NNS foundations)) (PP (IN of) (NP (NP (NP (DT the) (NN child) (POS 's)) (NN brain)) (, ,) (NP (NP (JJ spinal) (NN cord)) (, ,) (NP (NNS nerves)) (, ,)) (CC and) (NP (NN sense) (NNS organs))))) (VP (VBP are) (ADJP (RB completely) (VBN formed))) (. .)))
By the twenty-first day the foundations of the child's brain, spinal cord, nerves, and sense organs are completely formed.
(ROOT (S (NP (JJ Sensory) (NNS neurons)) (VP (VBD transmit) (NP (NN nerve) (NNS impulses)) (PP (IN from) (NP (NP (NN sense) (NNS organs)) (CC and) (NP (JJ internal) (NNS organs)))) (PP (TO to) (NP (NP (DT the) (NN brain)) (PP (IN via) (NP (DT the) (JJ spinal) (NN cord)))))) (. .)))