( ( ( The muscles ) ( of ( the larynx ) ) ) ( ( are ( divided ( into ( ( `` ( intrinsic ( '' ( and ( `` ( extrinsic '' ) ) ) ) ) ) muscles ) ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (NNS muscles)) (PP (IN of) (NP (DT the) (NN larynx)))) (VP (VBP are) (VP (VBN divided) (PP (IN into) (NP (ADJP (`` ``) (JJ intrinsic) ('' '') (CC and) (`` ``) (JJ extrinsic) ('' '')) (NNS muscles))))) (. .)))
The muscles of the larynx are divided into "intrinsic" and "extrinsic" muscles.
(ROOT (S (NP (JJ Intrinsic) (NNS muscles)) (VP (VBP allow) (NP (PRP$ your) (NNS fingers)) (S (VP (TO to) (VP (ADVP (RB also)) (VB make) (NP (NP (JJ precise) (NNS movements)) (PP (IN for) (NP (NNS actions)))))))) (. .)))