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2.02 Understand the functions and disorders of the circulatory system. 2.02 Understand the functions and disorders of the circulatory system. Essential questions: What are the functions of blood? What are some disorders of the blood? How are blood disorders treated?
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2.02 Understand the functions and disorders of the circulatory system
2.02 Understand the functions and disorders of the circulatory system Essential questions: • What are the functions of blood? • What are some disorders of the blood? • How are blood disorders treated? • How do you relate the body’s use of nutrients to the blood? • What are the functions of the circulatory system? • What are some disorders of the circulatory system? • How are disorders of the circulatory system treated? • How do you relate the body’s use of nutrients to the circulatory system? 2.02 Understand the functions and disorders of the circulatory system
What are the functions of blood? Transportation • What does the blood transport? • Why is this an important function? 2.02 Understand the functions and disorders of the circulatory system
What are the functions of blood? Regulation • How does the blood regulate heat? • How does the blood regulate acid/base balance? 2.02 Understand the functions and disorders of the circulatory system
What are the functions of blood? Protection • What function of the blood serve to protect the body? • What is the relevance to health? 2.02 Understand the functions and disorders of the circulatory system
Functions of the blood components • Plasma • Erythrocytes • Leukocytes • Thrombocytes 2.02 Understand the functions and disorders of the circulatory system
Plasma • What is the role of plasma in circulation? • Discuss its relevance to health. Plasma Cellular elements 2.01 Remember the structures of the circulatory system
Erythrocytes • What are the functions of erythrocytes? • hemo= blood • globin= protein • What is the function of hemoglobin? 2.02 Understand the functions and disorders of the circulatory system
Erythrocytes • Erythropoiesis • Red blood cells, lacking a nucleus, and therefore unable to divide to form new cells, are created by the red bone marrow through this process of erythropoiesis. 2.02 Understand the functions and disorders of the circulatory system
Erythrocytes Starts here • hemolysis • What is it? • Where does it occur? • What is the lifetime of an erythrocyte? • What happens to old erythrocytes? 2.02 Understand the functions and disorders of the circulatory system
Erythrocytes What is hemolytic anemia? How is it treated? 2.02 Understand the functions and disorders of the circulatory system
Leukocytes • What is the function of leukocytes? • Compare leukocytes to erythrocytes. 2.02 Understand the functions and disorders of the circulatory system
Leukocytes • Agranulocytes • Lymphocytes • Monocytes 2.02 Understand the functions and disorders of the circulatory system
Leukocytes • Granulocytes • Neutrophils • Eosinophils • Basophils 2.02 Understand the functions and disorders of the circulatory system
Inflammation What is inflammation? 2.02 Understand the functions and disorders of the circulatory system
Inflammation 2.02 Understand the functions and disorders of the circulatory system
Thrombocytes • What is the composition of thrombocytes? • What is their function? 2.02 Understand the functions and disorders of the circulatory system
Thrombocytes 2.02 Understand the functions and disorders of the circulatory system
Blood types What are the types of blood? Where do they come from? 2.02 Understand the functions and disorders of the circulatory system
Blood types • Compare blood types. (antigen/antibodies) • ABABO Who can receive type O blood? 2.02 Understand the functions and disorders of the circulatory system
Rh factor What is erythroblastosis fetalis? What are its symptoms? How can it be treated? 2.02 Understand the functions and disorders of the circulatory system
Blood Disorders • Anemia Review the symptoms of anemia. Discuss why these symptoms occur. 2.02 Understand the functions and disorders of the circulatory system
Blood disorders What is the difference between an embolism and a thrombus? 2.02 Understand the functions and disorders of the circulatory system
Blood disorders Explain the difference between a hematoma and a contusion. 2.02 Understand the functions and disorders of the circulatory system
Blood disorders What is hemophilia? How do you get it? Review the symptoms of hemophilia. Discuss why these symptoms occur. 2.02 Understand the functions and disorders of the circulatory system
Blood disorders • Leukemia What is leukemia? Review the symptoms of leukemia. Discuss why these symptoms occur. How is leukemia treated? 2.02 Understand the functions and disorders of the circulatory system
Blood disorders • Multiple myeloma What is multiple myeloma? What are the symptoms? How is it treated? 2.02 Understand the functions and disorders of the circulatory system
Blood disorders • Polycythemia What is polycythemia? What are the symptoms? How is it treated? Plasma Cellular elements 2.02 Understand the functions and disorders of the circulatory system
Blood disorders • Septicemia What causes septicemia and how it is treated? 2.02 Understand the functions and disorders of the circulatory system
Blood disorders • Sickle cell anemia What is sickle cell anemia? What are the symptoms? How is it treated? 2.02 Understand the functions and disorders of the circulatory system
What are the functions of the heart? 2.02 Understand the functions and disorders of the circulatory system
Functions of the heart Did you know? At rest, 2 ounces of blood is circulated with each heart beat. 2.02 Understand the functions and disorders of the circulatory system
Functions of the heartIt’s a PUMP What do pumps do? How does this relate to heart function? 2.02 Understand the functions and disorders of the circulatory system
Hear the beat! What makes the lubb dupp sound? 2.02 Understand the functions and disorders of the circulatory system
Blood Pressure FYI • Blood pressure is the surge of blood when heart pumps creates pressure against the walls of the arteries • SYSTOLIC PRESSURE • Measured during the contraction phase • DIASTOLIC PRESSURE • Measured when the ventricles are relaxed What is the normal range of blood pressure for an adult? 2.02 Understand the functions and disorders of the circulatory system
Functions of the heartIt’s a PUMP What makes the pump work? It’s electric! Explain the electrical activity of the heart. 2.02 Understand the functions and disorders of the circulatory system
Discuss the function of the heart’s conduction system. It’s electric! 2.02 Understand the functions and disorders of the circulatory system
Electrocardiogram • EKG or ECG • SYSTOLE = contraction phase • DIASTOLE = relaxation phase Baseline of an EKG is a flat line: P = Atrial contraction QRS = Ventricular contraction T = Ventricular relaxation 2.02 Understand the functions and disorders of the circulatory system
Functions of the heartIt’s a PUMP What makes the pump work? It’s electric! 2.02 Understand the functions and disorders of the circulatory system
Functions of the heartTransportation What does the heart transport? What is involved in the transportation process? How is this a circulatory system function? 2.02 Understand the functions and disorders of the circulatory system
The transportation process Discuss systemic circulation 2.02 Understand the functions and disorders of the circulatory system
The transportation process Right side Superior vena cava Inferior vena cava Right atrium Tricuspid valve Right Ventricle Pulmonary valve Pulmonary artery Lungs CO2 and O2 exchange Left Side Pulmonary vein Left atrium Bicuspid valve Left ventricle Aortic valve Aorta Body (Schematic of systemic circulation) 2.02 Understand the functions and disorders of the circulatory system
The transportation process • Discuss cardiopulmonary circulation • Compare Systemic Circulation To Cardiopulmonary Circulation 2.02 Understand the functions and disorders of the circulatory system
Vessels of the circulatory system • ARTERIES • What are the functions of arteries? • What are the characteristics of arteries? • Which direction do arteries flow? 2.02 Understand the functions and disorders of the circulatory system
Vessels of the circulatory system Arteries Describe arterial blood. 2.02 Understand the functions and disorders of the circulatory system
Vessels of the circulatory system • VEINS • What is the function of veins? • What are the characteristics of veins? • Which direction do veins flow? • Compare arterial and venous blood. 2.02 Understand the functions and disorders of the circulatory system
Vessels of the circulatory system Veins 2.02 Understand the functions and disorders of the circulatory system
Vessels of the circulatory system Identify the major veins. Identify the major arteries. 2.02 Understand the functions and disorders of the circulatory system
Vessels of the circulatory system Capillaries What is the function of capillaries? What happens if this action is obstructed? 2.02 Understand the functions and disorders of the circulatory system
Remember Pulse Sites? • Where do they come from? Radial Temporal Brachial Ulnar Facial Carotid Popliteal Femoral tibialis dorsalis pedis 2.02 Understand the functions and disorders of the circulatory system