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

2. OBSERVING RED BLOOD CELLS, WHITE BLOOD CELLS AND PLATELETS
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, sketch the test tube showing the separation of blood
Label the parts of the blood as shown in the diagram

7. Observing a healthy human blood smear
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 nucleus
Platelets
White blood cell
Magnification 800x

9. Observing common blood diseases and disorders
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 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 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 nucleus
Platelets

13. Observing the blood of other vertebrates
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
Platelets

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