In order to make 250 grams of "blood," you'll need to weigh out the correct amounts of each component. How do you do that?

If the percent of blood that is plasma is 68%, then you would multiply:
250 grams X .68 = 170 grams

If plasma is 93% water, then to find out how much water you'll need you would multiply:
170 grams X .93 = 158.1 grams of water

From your research:
1. What percent of blood is plasma? __________
2. What percent of blood is cells? __________
3. What percent of plasma is water? __________
4. What percent of plasma is other stuff? __________**
5. What percent of blood cells are red? __________
6. What percent of blood cells are white/platelets? __________^^^

** Use equal amounts of sugar, salt, oil and protein shake mix to represent this "other stuff."

^^^ Use equal amounts of marshmallows and white rice for the white blood cells and platelets.