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Blood

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  1. Blood ANP 128

  2. 1. What are the major functions of blood? • 2. Describe how the structure of Red Blood Cells is helpful in the functioning. • 3. What are the different leukocytes and how do each of these differ in function? • 4. Be able to describe platelets and how they function in blood clotting. • 5. What is the importance of plasma in the human body? What are the major functions? • 6. How do you determine blood type? Why is blood typing important? • 7. Describe Rh factor and the implications of being positive or negative.

  3. Blood • FUNCTIONS • TRANSPORT • GLUCOSE, AMINO ACIDS, FATS, O2/CO2,HORMONES • COAGULATION • TEMPERATURE REGULATION • ANTI-BACTERIAL ACTION • PHYSIOLOGICAL ACTIVITY • HORMONE TRANSPORT • BUFFER

  4. Blood – RBC’s

  5. Blood – RBC’s • Transport : • O2 • CO2 H2O + CO2 < H2CO3> HCO3- + H+

  6. Blood – RBC’s

  7. Blood – RBC’s • What can change the production of RBC’s? • How long to RBC’s live?

  8. Blood – RBC’s CLINICAL: ANEMIA http://kidshealth.org/parent/medical/heart/anemia.html

  9. Blood – WBC’s • FUNCTIONS: • CHEMOTAXIS • DIAPEDESIS • PHAGOCYTOSIS • DEFENSINS • ANTIBODIES

  10. Blood – WBC’s NEUTROPHILS: Most abundant 50-70%; FUNCTION: phagocytosis

  11. Blood – WBC’s • EOSINOPHILS: 2-4% of WBC's; • FUNCTION: allergies, stress diseases, parasites

  12. Blood – WBC’s • BASOPHILS: 0.5% of WBC'S; • FUNCTION: liberate heparin, histamines.

  13. Blood – WBC’s • LYMPHOCYTES: 30% of WBC'S; • FUNCTION: immune responses and memory.

  14. Blood – WBC’s MONOCYTES: 3-8% of WBC's; FUNCTION: phagocytosis.

  15. Blood • PLATELETS (THROMBOCYTES) • STRUCTURE • LIFE SPAN • COAGULATION • CLINICAL - HEMOPHILIA

  16. Blood • PLASMA: • (NONLIVING MATRIX) • 3 liters • 90-93% water • maintains constant blood volume

  17. Blood Types http://www.bloodbook.com/world-abo.html