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Chapter 7

Chapter 7. Anatomy and Physiology 7:8 Circulatory System. 7:8 Circulatory System. Also known as the cardiovascular system Consists of heart, blood vessels, blood Transports oxygen and nutrients to all body cells Transports carbon dioxide and metabolic materials away from the body cells.

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Chapter 7

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  1. Chapter 7 Anatomy and Physiology 7:8 Circulatory System

  2. 7:8 Circulatory System • Also known as the cardiovascular system • Consists of heart, blood vessels, blood • Transports oxygen and nutrients to all body cells • Transports carbon dioxide and metabolic materials away from the body cells

  3. Heart • Muscular, hollow organ functions as pump • Weight is less than one pound • Location • Three layers of tissue • Endocardium • Myocardium • Pericardium (continues)

  4. Heart (continued) • Septum • Heart chambers • Valves • Tricuspid • Pulmonary • Mitral • Aortic (continues)

  5. Heart (continued) • Cardiac cycle • Conductive pathways • Arrhythmias

  6. Blood Vessels • Blood is carried throughout the body in blood vessels • Arteries • Capillaries • Veins

  7. Blood • Average adult: 4–6 quarts • Transports many substances • Plasma • Blood cells • Erythrocytes or red blood cells • Leukocytes or white blood cells • Thrombocytes

  8. Diseases and Abnormal Conditions • Anemia • Aneurysm • Arteriosclerosis • Atherosclerosis • Congestive heart failure (CHF) • Embolus (continues)

  9. Diseases and Abnormal Conditions(continued) • Hemophilia • Hypertension • Leukemia • Myocardial infarction—heart attack • Phlebitis • Varicose veins

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