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Lab #16 Blood

Lab #16 Blood. What are the parts of the blood? What are some diseases that affect human blood?. TASK #1. OBSERVING RED BLOOD CELLS, WHITE BLOOD CELLS AND PLATELETS. Human Blood Parts. Red Blood Cells (Erythrocytes) Carry oxygen Most numerous in blood smear.

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Lab #16 Blood

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  1. Lab #16 Blood What are the parts of the blood? What are some diseases that affect human blood?

  2. TASK #1 OBSERVING RED BLOOD CELLS, WHITE BLOOD CELLS AND PLATELETS

  3. Human Blood Parts • Red Blood Cells (Erythrocytes) • Carry oxygen • Most numerous in blood smear • Draw one or two RBC’s on your chart on page 2 • Label • Cell membrane • Cytoplasm • Count: 100 Cell membrane Cytoplasm

  4. Human Blood Parts • White Blood Cells (Leukocytes) • Function in the immune system • Much larger than RBC’s • Draw one or two WBC’s on your chart on page 2 • Label • Cell membrane • Cytoplasm • Nucleus • Count: 15 Cell membrane Nuclear material Cytoplasm

  5. Human Blood Parts • Platelets • Function in clotting • “Dot-like” fragments scattered throughout smear • Cell fragments, not cells! • Draw some platelets on your chart on page 2 • “t” stands for thrombocyte • Count: 50

  6. Human Blood Parts • Plasma • Functions in transporting nutrients and hormones • Yellowish in color • On your lab, sketchthe test tube showing the separation of blood • Labelthe parts of the blood as shown in the diagram

  7. TASK #2 Observing a healthy human blood smear

  8. Human Blood Smear • Identify: • Red Blood cell • Label cell membrane • Label cytoplasm • WBC • Label cell mem • Label cytoplasm • Label nucleus • Platelets White blood cell Magnification 800x

  9. TASK #3 Observing common blood diseases and disorders

  10. Leukemia Smear • Identify: • Red Blood cell • Label cell membrane • Label cytoplasm • WBC • NOTICE THAT THE NUCLEUS IS MUCH BIGGER! • Label cell mem • Label cytoplasm • Label nucleus • Platelets Diseased white blood cell

  11. SICKLE CELL ANEMIA • Identify: • Red Blood cell • Label cell membrane • Label cytoplasm • Sickle cell • WBC • Label cell mem • Label cytoplasm • Label nucleus • Platelets

  12. Mononucleosis Smear • Identify: • Red Blood cell • Label cell membrane • Label cytoplasm • WBC • NOTICE THE WATERY APPEARANCE OF THE WBC • Label cell mem • Label cytoplasm • Label nucleus • Platelets

  13. TASK #4 Observing the blood of other vertebrates

  14. Frog Blood • Identify: • Red Blood cell • Label cell membrane • Label cytoplasm • Label nucleus • WBC • Label cell mem • Label cytoplasm • Label nucleus • Platelets

  15. Bird blood • Identify: • Red Blood cell • Label cell membrane • Label cytoplasm • Label nucleus • WBC • Label cell mem • Label cytoplasm • Label nucleus • Platelets • Just draw some dots!

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