Lab #16 Blood What are the parts of the blood?

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Presentation transcript:

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

OBSERVING RED BLOOD CELLS, WHITE BLOOD CELLS AND PLATELETS 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 Draw one or two RBC’s on your chart on page 2 Label Cell membrane Cytoplasm Count: 100 Cell membrane Cytoplasm

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

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

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

Observing a healthy human blood smear TASK #2 Observing a healthy human blood smear

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

Observing common blood diseases and disorders TASK #3 Observing common blood diseases and disorders

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

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

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

Observing the blood of other vertebrates TASK #4 Observing the blood of other vertebrates

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

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