Blood Cells/Blood Vessels Lab Activity

I.   Observe the representation of the cross sections of arteries, veins, and capillaries below.
     In one or more sentences, compare the relative thickness of the walls of these blood vessels.
   



II.  Observe the blood smear diagram below and identify a red blood cell, white blood cell, and platelet in the diagram.




III.   State two ways you were able to identify the white blood cell in the picture above.

IV.  Complete the following charts

 
Blood Vessel Direction of Flow Function Presence or Absence of Valves
artery     valves absent
capillary exchange of materials with the ICF and cells exchange of materials with the cells of the body  
vein      

Blood Cell Category Function Relative Size and Shape Relative Numbers  
red blood cell        
white blood cell   variable shape and largest in size  
platelet