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3. BLOOD VESSELS Functions
Arteries—distribution of nutrients, gases, etc., with movement of blood under high pressure; assist in maintaining the arterial blood pressure
Capillaries—serve as exchange vessels for nutrients, wastes, and fluids
Veins—collect blood for return to the heart; low pressure vessels
Names of main arteries—see Figure and Table 12-1
Names of main veins—see Figures and and Table 12-2

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Arterial System

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Venous System

8. CIRCULATION
Systemic and pulmonary circulation—refers to the blood flow through the vessels arranged to form a circuit or circular pattern (Figure 12-13)
Systemic circulation
Carries blood throughout the body
Path goes from left ventricle through aorta, smaller arteries, arterioles, capillaries, venules, venae cavae, to right atrium
Pulmonary circulation
Carries blood to and from the lungs; arteries deliver deoxygenated blood to the lungs for gas exchange
Path goes from right ventricle through pulmonary arteries, lungs, pulmonary veins, to left atrium

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10. CIRCULATION Hepatic relating to supplying or draining the liver
Portal door or entrance
Circulation orderly movement through a pathway
(Figure 12-14)
Unique blood route through the liver
Vein (hepatic portal vein) exists between two capillary beds
Assists with homeostasis of blood glucose levels

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