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2.02 Understand the functions and disorders of the circulatory system

Explore the functions and disorders of the circulatory system, including the functions of blood, common blood disorders, and their treatments. Learn about the role of nutrients in relation to the circulatory system.

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2.02 Understand the 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? • Nutrition • Respiratory • Excretory • Regulatory • Protective 2.02 Understand the functions and disorders of the circulatory system

  4. What are the functions of blood? Transportation • What does the blood transport? • Oxygen • Why is this an important function? 2.02 Understand the functions and disorders of the circulatory system

  5. What are the functions of blood? Regulation • How does the blood regulate heat? • Blood moves toward superficial vessels in the extremities • Also helps regulate pH • Normal pH = 7.35 2.02 Understand the functions and disorders of the circulatory system

  6. What are the functions of blood? Protection • What function of the blood serve to protect the body? • Clotting (what blood cell?) • Fight disease (what blood cell?) 2.02 Understand the functions and disorders of the circulatory system

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

  8. Plasma • What is the role of plasma in circulation? • Liquid portion of blood • Made up of mostly water • Transports materials throughout the body Plasma Cellular elements 2.01 Remember the structures of the circulatory system

  9. What are the functions of erythrocytes? hemo= blood globin= protein What is the function of hemoglobin? Transport o2/co2 Erythrocytes 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. Hemolytic Anemia • Hemolysis • Breakdown of red blood cells (alone = good) • Breakdown of RBCs faster than they can be replaced • Treatment • Blood transfusions, medications, bone marrow transplants, lifestyle changes 2.02 Understand the functions and disorders of the circulatory system

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

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

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

  15. Inflammation What is inflammation? 2.02 Understand the functions and disorders of the circulatory system

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

  17. What is the composition of thrombocytes? Fragments of cells What is their function? clotting Thrombocytes 2.02 Understand the functions and disorders of the circulatory system

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

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

  20. 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

  21. 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

  22. Blood Disorders • Anemia Review the symptoms of anemia. 2.02 Understand the functions and disorders of the circulatory system

  23. Blood disorders What is the difference between an embolism and a thrombus? 2.02 Understand the functions and disorders of the circulatory system

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

  25. Hematoma vs. Contusion • Hema = blood, oma = tumor • Solid swelling of clotted blood within tissue • Contusion • Rupture of capillaries • Aka ‘bruise’ 2.02 Understand the functions and disorders of the circulatory system

  26. Blood disorders What is hemophilia? How do you get it? -clotting disorder -genetic 2.02 Understand the functions and disorders of the circulatory system

  27. Blood disorders • Leukemia What is leukemia? -malignant, progressive disease -bone marrow produces increased # of immature or abnormal leukocytes How is leukemia treated? Chemotherapy, possible stem cell transplant 2.02 Understand the functions and disorders of the circulatory system

  28. Blood disorders • Multiple myeloma • Cancer • s/s: bone pain, nausea, constipation, loss of appetite, confusion, fatigue, wt loss, abn growths (tumors) How is it treated?-chemo, radiation, stem cell transplant 2.02 Understand the functions and disorders of the circulatory system

  29. Blood disorders • Polycythemia -abnormally high number of blood cells Treatment: removal of blood, low dose aspirin 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 • Septicemia Infection of the bloodstream (aka blood poisoning) Cause: infection of another structure which spreads to the bloodstream Treatment: Antibiotics, IV fluids 2.02 Understand the functions and disorders of the circulatory system

  32. Blood disorders • Sickle cell anemia What is sickle cell anemia? Disorder of the blood characterized by abnormally shaped erythrocytes 2.02 Understand the functions and disorders of the circulatory system

  33. Blood disorders • Sickle cell anemia s/s: dizziness, fatigue, low oxygen to the body, inflammation of the hands/feet, SOB, jaundice How is it treated-medications, blood transfusions, rare cases bone marrow transplant 2.02 Understand the functions and disorders of the circulatory system

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

  35. 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

  36. 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

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

  38. 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

  39. 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

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

  41. 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

  42. 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

  43. 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

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

  45. 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

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

  47. 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

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

  49. 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

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

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