In each case, one of the paired meridians is yin (negatively charged) and the other is yang (positively charged.)
(one of the paired meridians; is; yin (negatively charged; L:In each case) (the other; is; yang (positively charged) (yang; positively charged; )
one of the paired meridians the other yang
is is positively charged
yin (negatively charged L:In each case
yang (positively charged