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Unformatted text preview: Chapter 42 (pp.872-883) circulatory system (continued) Learning objectives Describe the composition and functions of blood and plasma. Relate the structures of capillaries, arteries, and veins to their functions. Explain how osmotic pressure and hydrostatic pressure regulate the exchange of fluid and solutes across capillaries. Distinguish between pulmonary and systemic circuits in terms of structures/functions. List the four heart valves, describe their location, and explain their functions Define a cardiac cycle, distinguish between systole and diastole Define cardiac output and describe two factors that influence it. Explain how peripheral resistance and cardiac output affect blood pressure. Outline the sequence of events that occurs during blood clotting Concept: Blood is a type of connective tissue with cells suspended in plasma By volume, blood is: 45% cellular (rbc, wbc, platelets..) 55% plasma plasma is: 90% water + 10% solutes (ions, proteins..) Erythrocytes, leukocytes, and platelets all develop from a common source...
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- Spring '08