Veins Arteries Capillaries Diagram. Moving away from the heart in arteries traveling to various parts of the body in capillaries and going back to the heart in veins. One of the main divisions of the.
Tunica adventitia the strong outer covering of arteries and veins. The name given to any tube that carries blood is an. This structure also contains the allantois an extension from the.
Two main pulmonary veins emerge from each lung hilum receiving blood from three or four bronchial veins apiece and draining into the left atriuman inferior and superior main vein drains each lung so there are four main veins in total.
The heart is the pump that makes this. The number of smooth muscle cell. The vein wall consists of three layers. Arteries carry blood away from the heart to other organs.