Homeostasis Lab (Instructor Materials Preparation)

Lab Materials

This is the prep for one section of 24 students.

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

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

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