5. In order to show the concept of mechanism of action of peptide and steroid hormones, let's do an experiment. Dissolve different materials: Experiment 1: sugar in water Experiment 2: sugar in oil Experiment 3: candies in water Experiment 4: candies in oil Experiment 5: fat in water Experiment 6: fat in oil Record the time how long the materials completely dissolve and make a generalization to the experiment that can base on the lesson on hormones. ustem how does reflex action work?