( ( ( ( ( Immunity ( comprises ( ( both ( ( innate and ) adaptive ) ) responses ) ) ) , ) and ) ( ( the ( innate ( immune system ) ) ) ( is ( ( the ( first line ) ) ( of ( defence ( for ( the body ) ) ) ) ) ) ) ) . )
(ROOT (S (S (NP (NNP Immunity)) (VP (VBZ comprises) (NP (ADJP (DT both) (JJ innate) (CC and) (JJ adaptive)) (NNS responses)))) (, ,) (CC and) (S (NP (DT the) (JJ innate) (JJ immune) (NN system)) (VP (VBZ is) (NP (NP (DT the) (JJ first) (NN line)) (PP (IN of) (NP (NP (NN defence)) (PP (IN for) (NP (DT the) (NN body)))))))) (. .)))
Immunity comprises both innate and adaptive responses, and the innate immune system is the first line of defence for the body.
(ROOT (S (NP (DT The) (JJ innate) (JJ immune) (NN system)) (VP (VBZ serves) (PP (IN as) (NP (NP (DT a) (JJ first) (NN responder)) (PP (TO to) (NP (NP (JJ pathogenic) (NNS threats)) (SBAR (WHNP (WDT that)) (S (VP (VB bypass) (NP (NP (JJ natural) (ADJP (NN physical) (CC and) (NN chemical)) (NNS barriers)) (PP (IN of) (NP (DT the) (NN body)))))))))))) (. .)))