▁It ▁also ▁supplies ▁the ▁sino at rial ▁nod al ▁ar tery ▁in ▁ 3 8 % ▁of ▁people . ▁ ▁It ▁supplies ▁ 1 5 - 2 5 % ▁of ▁the ▁left ▁vent ric le ▁in ▁right - domin ant ▁systems . ▁ ▁If ▁the ▁coron ary ▁an atom y ▁is ▁left - domin ant , ▁the ▁L C X ▁supplies ▁ 4 0 - 5 0 % ▁of ▁the ▁left ▁vent ric le . ▁( See ▁Cor on ary ▁circul ation ▁for ▁description ▁of ▁domin ance .) ▁ ▁Add itional ▁images ▁ ▁References ▁ ▁External ▁links ▁▁ ▁- ▁" An terior ▁view ▁of ▁the ▁heart ." ▁▁ ▁- ▁" Post er ior ▁view ▁of ▁the ▁heart ." ▁▁ ▁- ▁" He art : ▁The ▁Left ▁Cor on ary ▁Ar tery ▁and ▁its ▁Branch es " ▁ ▁Image ▁at ▁mer ck . com ▁ ▁Over view ▁and ▁diag rams ▁at ▁card i olog ys ite . com ▁ ▁Category : Ar ter ies ▁of ▁the ▁thor ax <0x0A> </s> ▁This ▁article ▁is ▁about ▁a ▁town ▁in ▁Canada . ▁For ▁the ▁abandoned ▁town ▁in ▁Mont ana , ▁USA , ▁see ▁Van anda , ▁Mont ana . ▁Van ▁And a , ▁formerly ▁sp elled ▁Van anda , ▁is ▁an ▁un in cor por ated ▁settlement ▁on ▁Tex ada ▁Island ▁in ▁the ▁northern ▁G ulf ▁of ▁Georgia ▁in ▁British ▁Columbia , ▁Canada . ▁It ▁has ▁a ▁population ▁of ▁approximately ▁ 7 0 ▁people . ▁The ▁surrounding ▁region ▁incorpor ates ▁ ▁Bl ub ber ▁Bay ▁and ▁Gill