107
Chapter
Contents
4.1 Feedback Systems 108
4.2 The Kidney 112
MiniLab: The Effect of
Salt Concentration 115Design Your Own Investigation
4-A: The Physiological Effects
of Coffee 1184.3 Regulating Blood Sugar 1214.4 Homeostasis and the
Immune System 125
Investigation 4-B:
Food Allergy Survey 130