Basics :- • Artery ( Thicker Wall With Patent And Non-Collapsed Lumen ) - Carry Blood Away From Heart. • Vein ( Hollow And Collapsed Feel ) - Carry Blood Towards The Heart. • Nerve ( Solid ) - Bundles Of Axon Constituting Peripheral Nervous System. • Capillaries - Supplies oxygenated blood and nutrients to the surrounding tissue of the body.