▁is ▁responsible ▁for ▁taking ▁the ▁o xygen ated ▁blood ▁to ▁various ▁org ans ▁and ▁t issues ▁via ▁the ▁ar ter ial ▁tree ▁before ▁taking ▁the ▁de ox y gen ated ▁blood ▁to ▁the ▁right ▁vent ric le ▁using ▁the ▁ven ous ▁system ▁( a ▁network ▁of ▁ve ins ). ▁Ar ter ies ▁carry ▁the ▁o xygen ated ▁blood ▁while ▁the ▁ve ins ▁carry ▁the ▁de ox y gen ated ▁blood . ▁ ▁Element s ▁of ▁Blood ▁and ▁Blood ▁R he ology ▁▁ ▁The ▁flu ids ▁associated ▁with ▁the ▁human ▁body ▁include ▁air , ▁o xygen , ▁carbon ▁dio x ide , ▁water , ▁sol vent s , ▁solutions , ▁susp ensions , ▁ser um , ▁l ym ph , ▁and ▁blood . ▁The ▁major ▁body ▁fluid ▁which ▁acts ▁as ▁the ▁lif eline ▁of ▁the ▁living ▁organ isms ▁is ▁" B lo od ". ▁Blood ▁is ▁an ▁extremely ▁complex ▁bi ological ▁fluid . ▁It ▁consists ▁of ▁blood ▁cells ▁susp ended ▁in ▁pl asma ▁and ▁other ▁different ▁types ▁of ▁cells ▁which ▁include ▁white ▁blood ▁cells , ▁plate lets ▁etc . ▁The ▁blood ▁flow ▁in ▁ar ter ies ▁and ▁ve ins ▁are ▁closely ▁linked ▁to ▁the ▁blood ▁vessel ▁properties . ▁Car ry ing ▁the ▁o xygen ▁and ▁nut ri ents ▁to ▁various ▁t issues ▁and ▁org ans ▁of ▁our ▁body , ▁deliver ing ▁carbon ▁dio x ide ▁to ▁the ▁l ungs ▁and ▁accepting ▁o xygen , ▁bringing ▁the ▁met abol ic ▁by ▁products ▁to ▁the ▁kid ne ys , ▁reg ulating ▁the ▁body ' s ▁defence