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Blood

Blood. What is it and what does it do?. Basic components. Plasma. 55% of the blood 90-95% water Contains: Food (Amino Acids, Simple Sugars, Fatty Acids/Glycerol.) Minerals (sodium, calcium, potassium, etc.) Vitamins Hormones Wastes (Urea, CO 2 ). Blood Cells. 45% of the total blood

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Blood

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  1. Blood What is it and what does it do?

  2. Basic components

  3. Plasma • 55% of the blood • 90-95% water • Contains: • Food (Amino Acids, Simple Sugars, Fatty Acids/Glycerol.) • Minerals (sodium, calcium, potassium, etc.) • Vitamins • Hormones • Wastes (Urea, CO2)

  4. Blood Cells • 45% of the total blood • The living portion of blood • ErythrocytesRed Blood Cells (RBC) • Leukocytes White Blood Cells (WBC) • Thrombocytes Platelets

  5. ErythrocytesRed Blood Cells (RBC’s) • 5,000,000 RBC’s per drop of blood • Carry oxygen through the blood • Oxygen attaches to hemoglobin • Iron is needed to make hemoglobin

  6. LeukocytesWhite Blood Cells (WBC’s) • 5000-8000 per drop of blood • Fight infections and cancers • Amount per drop of blood will increase with infection

  7. White Blood CellsNeutrophil • Engulf and destroy bacteria

  8. White Blood CellsEosinophil • Engulf and destroy foreign cells (pollen, animal dander, etc.) • Release chemicals that kill parasites

  9. White Blood CellsBasophils • Release histamine at the site of tissue injury • Release heparin to limit the size of forming blood clot

  10. White Blood CellsLymphocytes • Engulf and destroy viruses • Produce antibodies

  11. White Blood CellsMonocytes • Engulf and destroy micro-organisms, cancerous cells, dead leukocytes, and cellular debris

  12. ThrombocytesPlatelets • Initiate blood clotting • 12 clotting factors Roman numeral numbered I through XIII (no number VI)

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