- 15:34, 28 December 2012 diff hist -1,504 AY Honor Blood and the Body's Defenses Answer Key →4. Observe some preserved human blood under a microscope. Count 100 white blood cells and draw a graph showing the number of each of the five types of white blood cells you found. Which type is most common? Which type is least common?
- 15:33, 28 December 2012 diff hist -2,825 AY Honor Blood and the Body's Defenses Answer Key →3. Be able to draw pictures of and name the 7 types of blood cells and indicate what each type does.