( ( Describe ( how ( ( ( the ( stickleback ( fish 's ) ) ) ( circulatory system ) ) ( ( transports nutrients ) ( to ( ( all ( the cells ) ) ( within ( its body ) ) ) ) ) ) ) ) . )
(ROOT (S (VP (VB Describe) (SBAR (WHADVP (WRB how)) (S (NP (NP (DT the) (NN stickleback) (NN fish) (POS 's)) (JJ circulatory) (NN system)) (VP (VBZ transports) (NP (NNS nutrients)) (PP (TO to) (NP (NP (PDT all) (DT the) (NNS cells)) (PP (IN within) (NP (PRP$ its) (NN body))))))))) (. .)))
Describe how the stickleback fish's circulatory system transports nutrients to all the cells within its body.
(ROOT (S (NP (NP (DT A) (NN relationship)) (PP (IN between) (NP (CD two) (JJ human) (NN body) (NNS systems)))) (VP (MD could) (VP (VB be) (NP (NP (DT the) (JJ digestive) (NN system)) (SBAR (S (VP (VBZ absorbs) (NP (NP (NNS nutrients)) (SBAR (WHNP (WDT which)) (S (VP (VBP are) (VP (VBN transported) (PP (IN by) (NP (DT the) (JJ circulatory) (NN system)))))))))))))) (. .)))