lab #16 blood what are the parts of the blood? what are some diseases that affect human blood?
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Lab #16 BloodLab #16 Blood
What are the parts of the blood?What are the parts of the blood?
What are some diseases that What are some diseases that affect human blood?affect human blood?
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TASK #1TASK #1
OBSERVING RED BLOOD CELLS, WHITE OBSERVING RED BLOOD CELLS, WHITE BLOOD CELLS AND PLATELETSBLOOD CELLS AND PLATELETS
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Human Blood PartsHuman Blood Parts
Red Blood CellsRed Blood Cells (Erythrocytes) (Erythrocytes)– Carry oxygenCarry oxygen– Most numerous in blood smearMost numerous in blood smear
1.1. Draw one or Draw one or two RBC’s on two RBC’s on your chart on your chart on page 2page 2
2.2. LabelLabel • Cell Cell
membranemembrane• CytoplasmCytoplasm
3.3. CountCount: 100: 100
Cell membrane
Cytoplasm
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Human Blood PartsHuman Blood Parts
White Blood CellsWhite Blood Cells (Leukocytes) (Leukocytes)– Function in the immune systemFunction in the immune system– Much larger than RBC’sMuch larger than RBC’s
1.1. Draw one or Draw one or two WBC’s two WBC’s on your chart on your chart on page 2on page 2
2.2. LabelLabel • Cell Cell
membranemembrane• CytoplasmCytoplasm• NucleusNucleus
• CountCount: 15: 15
Cell membraneNuclear material
Cytoplasm
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Human Blood PartsHuman Blood PartsPlateletsPlatelets– Function in clottingFunction in clotting– ““Dot-like” fragments scattered throughout Dot-like” fragments scattered throughout
smearsmear– Cell fragments, not cells!Cell fragments, not cells! 1.1. Draw some Draw some
platelets on platelets on your chart on your chart on page 2page 21.1. ““t” stands for t” stands for
thrombocytethrombocyte
2.2. CountCount: 50: 50
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Human Blood PartsHuman Blood PartsPlasmaPlasma– Functions in transporting nutrients and Functions in transporting nutrients and
hormoneshormones– Yellowish in colorYellowish in color 1.1. On your lab, On your lab,
sketchsketch the the test tube test tube showing the showing the separation of separation of bloodblood
2.2. LabelLabel the the parts of the parts of the blood as blood as shown in the shown in the diagramdiagram
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TASK #2TASK #2
Observing a healthy human Observing a healthy human blood smearblood smear
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Human Blood SmearHuman Blood Smear
Identify:Identify:1.1. Red Blood cellRed Blood cell
• LabelLabel cell cell membranemembrane
• LabelLabel cytoplasmcytoplasm
2.2. WBCWBC• LabelLabel cell mem cell mem• LabelLabel
cytoplasmcytoplasm• LabelLabel nucleus nucleus
3.3. PlateletsPlatelets
White blood cell
Magnification 800xMagnification 800x
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TASK #3TASK #3
Observing common blood Observing common blood diseases and disordersdiseases and disorders
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Leukemia SmearLeukemia SmearIdentify:Identify:1.1. Red Blood cellRed Blood cell
• LabelLabel cell cell membranemembrane
• LabelLabel cytoplasm cytoplasm2.2. WBCWBC
• NOTICE THAT NOTICE THAT THE THE NUCLEUSNUCLEUS IS MUCH IS MUCH BIGGERBIGGER!!
• LabelLabel cell mem cell mem• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
3.3. PlateletsPlatelets
Diseased white blood cell
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SICKLE CELL ANEMIASICKLE CELL ANEMIA
Identify:Identify:1.1. Red Blood cellRed Blood cell
• LabelLabel cell cell membranemembrane
• LabelLabel cytoplasm cytoplasm2.2. Sickle cellSickle cell3.3. WBCWBC
• LabelLabel cell mem cell mem• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
4.4. PlateletsPlatelets
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Mononucleosis SmearMononucleosis SmearIdentify:Identify:1.1. Red Blood cellRed Blood cell
• LabelLabel cell cell membranemembrane
• LabelLabel cytoplasm cytoplasm2.2. WBCWBC
• NOTICE THE NOTICE THE WATERY WATERY APPEARANCE APPEARANCE OF THE WBCOF THE WBC
• LabelLabel cell mem cell mem• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
3.3. PlateletsPlatelets
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TASK #4TASK #4
Observing the blood of other Observing the blood of other vertebratesvertebrates
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Frog BloodFrog Blood
Identify:Identify:1.1. Red Blood cellRed Blood cell
• LabelLabel cell cell membranemembrane
• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
2.2. WBCWBC• LabelLabel cell mem cell mem• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
3.3. PlateletsPlatelets
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Bird bloodBird blood
Identify:Identify:1.1. Red Blood cellRed Blood cell
• LabelLabel cell cell membranemembrane
• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
2.2. WBCWBC• LabelLabel cell mem cell mem• LabelLabel cytoplasm cytoplasm• LabelLabel nucleus nucleus
3.3. PlateletsPlatelets• Just draw some Just draw some
dots!dots!