( ( The heart ) ( , ( ( like ( all ( body organs ) ) ) ( , ( ( ( requires oxygen ) ( to ( perform ( its work ) ) ) ) . ) ) ) ) )
(ROOT (S (NP (DT The) (NN heart)) (, ,) (PP (IN like) (NP (DT all) (NN body) (NNS organs))) (, ,) (VP (VBZ requires) (NP (NN oxygen)) (S (VP (TO to) (VP (VB perform) (NP (PRP$ its) (NN work)))))) (. .)))
The heart, like all body organs, requires oxygen to perform its work.
(ROOT (S (PP (IN In) (NP (PRP$ your) (NN body))) (, ,) (NP (NP (DT the) (NN heart)) (CC and) (NP (NNS lungs))) (VP (VBP work) (ADVP (RB together)) (S (VP (TO to) (VP (VB make) (ADJP (JJ sure)) (SBAR (IN that) (S (NP (NN oxygen)) (VP (VBZ gets) (PP (TO to) (NP (NP (PDT all) (DT the) (JJ other) (NNS organs)) (PP (IN of) (NP (PRP$ your) (NN body)))))))))))) (. .)))
In your body, the heart and lungs work together to make sure that oxygen gets to all the other organs of your body.