In the ____________ pathway, one major ____________ delivers blood to the organ or body region and then branches into smaller and smaller ____________ to become ____________ . each arteriole feeds into a ____________ . a(n) ____________ drains blood from the capillaries and merges with other ____________ to form one major ____________ that drains blood from the organ or body region. arteries that provide only one pathway through which blood can reach an organ are referred to as ____________ .