Jan 27, 2026
blood vessels and vinia
consists of three main classes of blood vessels—, veins, and —that together move blood, deliver oxygen and nutrients, and remove waste . Veins are the vessels that primarily , including the two larges...
Arteries
Blood vessels are tubular structures that transport blood through the body and are typically divided into arteries (carry blood away from the heart), capillaries (microscopic exchange sites), and veins (return blood toward the heart), with each class having distinct wall architecture and roles in circulation.