As a continuation of BIO 231, the central theme of homeostasis will be carried throughout. This course begins with the integrative roles of the endocrine system. The cardiovascular system with all of its ramifications is investigated. Study of the maintenance systems of respiration, digestion, metabolism, excretion, body fluids and reproduction completes the course. Three lecture hours plus three laboratory hours per week. Prerequisites: earned grades of "C-" or better in BIO 121 and BIO 231. BIOL 232 Anatomy and Physiology II lab must be taken concurrently. Four credits.