( ( By ( building ( ( a model ) ( of ( the arm ) ) ) ) ) ( , ( they ( ( will ( learn ( ( ( its ( basic anatomy ) ) and ) ( how ( ( ( ( muscles , ) ( particularly ( the ( ( bicep and ) tricep ) ) ) ) , ) ( ( function ( in relationship ) ) ( to bones ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (PP (IN By) (S (VP (VBG building) (NP (NP (DT a) (NN model)) (PP (IN of) (NP (DT the) (NN arm))))))) (, ,) (NP (PRP they)) (VP (MD will) (VP (VB learn) (NP (NP (PRP$ its) (JJ basic) (NN anatomy)) (CC and) (SBAR (WHADVP (WRB how)) (S (NP (NP (NNS muscles)) (, ,) (NP (RB particularly) (DT the) (NN bicep) (CC and) (NN tricep)) (, ,)) (VP (VBP function) (PP (IN in) (NP (NN relationship))) (PP (TO to) (NP (NNS bones))))))))) (. .)))
By building a model of the arm, they will learn its basic anatomy and how muscles, particularly the bicep and tricep, function in relationship to bones.
(ROOT (S (NP (DT The) (NNS triceps)) (VP (VBP help) (S (NP (DT the) (NN body)) (VP (VB extend) (NP (DT the) (NN arm))))) (. .)))