( Oxygen ( ( is ( ( transferred ( from ( the atmosphere ) ) ) ( into ( ( ( ( the ( surface waters ) ) ( by diffusion ) ) and ) ( ( the ( aerating action ) ) ( of ( the wind ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (VP (VBN transferred) (PP (IN from) (NP (DT the) (NN atmosphere))) (PP (IN into) (NP (NP (NP (DT the) (NN surface) (NNS waters)) (PP (IN by) (NP (NN diffusion)))) (CC and) (NP (NP (DT the) (VBG aerating) (NN action)) (PP (IN of) (NP (DT the) (NN wind)))))))) (. .)))
Oxygen is transferred from the atmosphere into the surface waters by diffusion and the aerating action of the wind.
(ROOT (S (NP (NNP Oxygen)) (VP (VBZ is) (VP (VBN transferred) (PP (IN into) (NP (DT the) (NN bloodstream))) (PP (IN by) (NP (JJ simple) (NN diffusion))))) (. .)))