Homeostasis Lab (Instructor Materials Preparation)

Lab Materials

This is the prep for one section of 24 students.

Part I: Liver

Students will do this part in table teams (groups of 4).

Materials Quantity Notes
 human torso models  1 per bench
 liver models  1 per bench
 Benedicts reagent  1 bottle per bench
test tubes  6 per bench
goggles 1 pair per student
gloves 1 pair per student latex and non latex options in various sizes
Solution A1 1 bottle per bench keep refrigerated
Solution B1 1 bottle per bench keep refrigerated
Solution C1 1 bottle per bench keep refrigerated
Solution A2 1 bottle per bench keep refrigerated
Solution B2 1 bottle per bench keep refrigerated
Solution C2 1 bottle per bench keep refrigerated
hot plate 1 per bench
goggles 1 pair per student

Recipe for Solution A1 (0.25% glucose): Dissolve 1.25g glucose/500ml DI water

Recipe for Solution A2 (0.25% glucose): Dissolve 1.25g glucose/500ml DI water

Recipe for Solution B1 (3% glucose): Dissolve 15g glucose/500ml DI water

Recipe for Solution B2 (0% glucose): 500 ml DI water

Recipe for Solution C1 (0.5% glucose): Dissolve 2.5g glucose/500ml DI water

Recipe for Solution C2 (0.5% glucose): Dissolve 2.5g glucose/500ml DI water

Part II: Kidneys

Students will do this part in table teams (groups of 4).

Materials Quantity Notes
 Kidney model 1 per bench
 nephron model  3 per class