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Functions and Disorders of the Circulatory System

Learn about the functions of blood, including transportation, regulation, and protection. Explore common blood disorders and their treatments. Understand the role of plasma and the components of blood. Discover the functions of erythrocytes, leukocytes, and thrombocytes. Gain knowledge about blood types and their compatibility. Explore blood disorders like anemia and blood clots.

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Functions and Disorders of the Circulatory System

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  1. 2.02 Understand the functions and disorders of the circulatory system

  2. 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

  3. What are the functions of blood? Transportation • What does the blood transport?- Oxygen , CO2,hormones, nutrients, waste products • Why is this an important function? helps remove harmful wastes 2.02 Understand the functions and disorders of the circulatory system

  4. What are the functions of blood? Regulation • How does the blood regulate heat? Absorbs heat generated by the muscles, and spreading it to the rest of the body • How does the blood regulate acid/base balance? Ensures pH and electrolytes values are within normal Parameters for proper cell functioning 2.02 Understand the functions and disorders of the circulatory system

  5. What are the functions of blood? Protection • What function of the blood serves to protect the body? Fights infection • What is the relevance to health? 2.02 Understand the functions and disorders of the circulatory system

  6. Plasma Erythrocytes Leukocytes Thrombocytes Functions of the blood components 2.02 Understand the functions and disorders of the circulatory system

  7. 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

  8. What are the functions of erythrocytes? Carry oxygen and CO2 hemo= blood globin= protein What is the function of hemoglobin? They transport O2 and CO2 Erythrocytes 2.02 Understand the functions and disorders of the circulatory system

  9. hemolysis What is it? When RBC’s rupture releasing hemoglobin into plasma Where does it occur? In the veins What is the lifetime of an erythrocyte? About 120 days What happens to old erythrocytes? Broken down by liver Erythrocytes Starts here 2.02 Understand the functions and disorders of the circulatory system

  10. Rh factor What is hemolytic anemia? How is it treated? 2.02 Understand the functions and disorders of the circulatory system

  11. What is the function of leukocytes? Compare leukocytes to erythrocytes. Leukocytes 2.02 Understand the functions and disorders of the circulatory system

  12. Leukocytes • Agranulocytes • Lymphocytes • Monocytes 2.02 Understand the functions and disorders of the circulatory system

  13. Granulocytes Neutrophils Eosinophils Basophils Leukocytes 2.02 Understand the functions and disorders of the circulatory system

  14. Inflammation • Tissue reaction to injury that includes • Swelling and reddening due to an increase blood flow to the area What is inflammation? 2.02 Understand the functions and disorders of the circulatory system

  15. What is the composition of thrombocytes? What is their function? Thrombocytes 2.02 Understand the functions and disorders of the circulatory system

  16. Thrombocytes 2.02 Understand the functions and disorders of the circulatory system

  17. Blood types What are the types of blood? Where do they come from? 2.02 Understand the functions and disorders of the circulatory system

  18. 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

  19. 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

  20. Blood Disorders • Anemia Review the symptoms of anemia. Discuss why these symptoms occur. 2.02 Understand the functions and disorders of the circulatory system

  21. Anemia • Blood condition in which there is a less than normal number of RBC’s, or deficient hemoglobin. Symptoms: pale skin, pale mucous membranes and nail beds Fatigue(tired) and muscle weakness, SOB(shortness of breath) some patients may have chest pain due to decreased levels of oxygen being supplied to the heart Why to people experience these symptoms? 2.02 Understand the functions and disorders of the circulatory system

  22. Blood disorders embolism – moving clot Thrombus- clot 2.02 Understand the functions and disorders of the circulatory system

  23. Blood disorders Explain the difference between a hematoma and a contusion. 2.02 Understand the functions and disorders of the circulatory system

  24. Contusion verses hematoma • Contusion occur when a direct blow breaks blood vessels beneath the skin causing a pool of blood to form under the skin • Hematoma- collection of blood outside of a blood vessel 2.02 Understand the functions and disorders of the circulatory system

  25. Blood disorders What is hemophilia? How do you get it? Review the symptoms of hemophilia. Excessive bleeding after trauma Discuss why these symptoms occur. plasma has too little of the proteins that help our blood to clot 2.02 Understand the functions and disorders of the circulatory system

  26. 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

  27. leukemia • Leukemia is a type of cancer of the blood characterized by immature white blood cells 2.02 Understand the functions and disorders of the circulatory system

  28. Blood disorders • Multiple myeloma What is multiple myeloma? Multiple myeloma is cancer that starts in the plasma cells in bone marrow. What are the symptoms? How is it treated? 2.02 Understand the functions and disorders of the circulatory system

  29. 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

  30. Blood disorders • Septicemia What causes septicemia and how it is treated? 2.02 Understand the functions and disorders of the circulatory system

  31. 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

  32. What are the functions of the heart? 2.02 Understand the functions and disorders of the circulatory system

  33. 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

  34. 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

  35. Hear the beat! What makes the lubb dupp sound? 2.02 Understand the functions and disorders of the circulatory system

  36. 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

  37. 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

  38. It’s electric! Discuss the function of the heart’s conduction system. 2.02 Understand the functions and disorders of the circulatory system

  39. 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

  40. 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

  41. 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

  42. The transportation process Discuss systemic circulation 2.02 Understand the functions and disorders of the circulatory system

  43. 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 The transportation process (Schematic of systemic circulation) 2.02 Understand the functions and disorders of the circulatory system

  44. Discuss cardiopulmonary circulation Compare Systemic Circulation To Cardiopulmonary Circulation The transportation process 2.02 Understand the functions and disorders of the circulatory system

  45. 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

  46. Vessels of the circulatory system Arteries Describe arterial blood. 2.02 Understand the functions and disorders of the circulatory system

  47. Vessels of the circulatory system • VEINS • What is the function of arteries? • What are the characteristics of arteries? • Which direction do arteries flow? • Compare arterial and venous blood. 2.02 Understand the functions and disorders of the circulatory system

  48. Vessels of the circulatory system Veins 2.02 Understand the functions and disorders of the circulatory system

  49. Vessels of the circulatory system Identify the major veins. Identify the major arteries. 2.02 Understand the functions and disorders of the circulatory system

  50. 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

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