HUMAN BIOLOGY

CirCulation: the heart and blood vessels 135 the heart atria, reducing normal blood flow into the ven- tricles. ventricular fibr ...

A 136 Chapter 7 infections and heart defects Infections outside the cardiovascular system may eventu- ally harm the heart. Infec ...

circulation: the heart and blood vessels 137 The Cardiovascular System and Blood The heart pumps blood into blood vessels that t ...

expLoreon your oWn suMMary section 7.1 The cardiovascular system consists of the heart and blood vessels including arteries, art ...

CirCulation: the heart and blood vessels 139 revieW Questions List the functions of the cardiovascular system. Define a “heartb ...

140 Chapter 7 Heavy smokers often develop abnormally high blood pressure. The nicotine in tobacco is a potent vasocon- strictor ...

This chapter expands on our discussion of the cardiovas- cular system in Chapter 7. Red blood cells contain the oxygen-carrying ...

142 Chapter 8 blood: plasma, blood Cells, and platelets fragments called platelets, and over a hundred other sub- stances. Most ...

BLooD 143 What is blood? Blood consists of plasma, red blood cells, white blood cells, and cell fragments called platelets. ta ...

144 Chapter 8 heme group coiled and twisted globin protein © Cengage Learning hoW does blood transport oXygen? Hemoglobin in re ...

BLooD 145 complete blood count (CBC) The number of red blood cells, white blood cells, and platelets in a microliter of blood. h ...

146 Chapter 8 Whole blood may be used for a transfusion, but usually donor blood is processed to remove some of its components, ...

BLooD 147 What is a blood type? Like all cells, red blood cells bear genetically determined “self” markers on their surface. So ...

148 Chapter 8 What is the purpose of rh blood typing? In some people, red blood cells are marked with an Rh protein. If this Rh ...

BLooD 149 What Can your blood say about you? Laboratory blood tests can reveal a great deal about the functioning of your kidney ...

150 Chapter 8 Blood flow Fibrinogen Prothrombin Thrombin Fibrin threads (clot) Ca^2 + Prothrombin Ca^2 + activator 1 Injury to b ...

BLooD 151 What are hemostasis and blood clotting? Mechanisms of hemostasis prevent major blood loss when small vessels are torn ...

152 Chapter 8 blood disorders Epstein-Barr virus. The infection triggers the overproduc- tion of lymphocytes. The patient feels ...

BLooD 153 expLoreon your oWn What is your “Blood IQ”? To find out how much you know about blood and public blood supplies, visit ...

154 Chapter 8 Dangerous blood clots are more common in people who have cancer or blood poisoning (septicemia). Although the reas ...