( Air ( ( is ( ( ( ( ( filtered , ) warmed ) and ) moistened ) ( as ( it ( passes ( through ( ( ( ( ( the ( nasal cavities ) ) ( towards ( the pharynx ) ) ) , ) or ) throat ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Air)) (VP (VBZ is) (ADJP (ADJP (ADJP (JJ filtered)) (, ,) (ADJP (VBN warmed)) (CC and) (ADJP (JJ moistened))) (SBAR (IN as) (S (NP (PRP it)) (VP (VBZ passes) (PP (IN through) (NP (NP (NP (DT the) (JJ nasal) (NNS cavities)) (PP (IN towards) (NP (DT the) (NN pharynx)))) (, ,) (CC or) (NP (NN throat))))))))) (. .)))
Air is filtered, warmed and moistened as it passes through the nasal cavities towards the pharynx , or throat.
(ROOT (S (PP (IN In) (NP (NNS mammals))) (, ,) (NP (NN air)) (VP (VBZ is) (VP (VBN warmed) (CC and) (VBN humidified) (PP (IN in) (NP (DT the) (JJ nasal) (NN cavity))))) (. .)))