( ( ( Collagen and ) elastin ) ( ( ( are typically ) ( found ( in ( connective ( tissue ( nervous ( tissue ( epithelial ( tissue ( muscle ( tissue 16 ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NNP Collagen) (CC and) (NNP elastin)) (VP (VBP are) (ADVP (RB typically)) (VP (VBN found) (PP (IN in) (NP (NN connective) (NN tissue) (JJ nervous) (NN tissue) (JJ epithelial) (NN tissue) (NN muscle) (NNP tissue) (CD 16))))) (. .)))
Collagen and elastin are typically found in connective tissue nervous tissue epithelial tissue muscle tissue 16.
(ROOT (S (NP (JJ Only) (NNS animals)) (VP (VBP have) (NP (NP (NN muscle) (NN tissue)) (CC and) (NP (JJ nervous) (NN tissue)))) (. .)))
Only animals have muscle tissue and nervous tissue.