Official course description: BIOL 20400 is the second semester of a two-semester course that includes two 50-minute lectures, one recitation in preparation for the laboratory, and one two-hour lab. This course is designed to give the student a basic understanding of the anatomy, organization and function of the human body. To assist the student in mastering the subject matter, the introductory lectures in BIO 20300 cover the basic concepts of biochemistry and cell biology. The topics covered in BIO 20400 include respiration; digestion; metabolism; excretion; fluid, electrolyte, and acid-base balance; the endocrine system; reproduction and genetics. The subject matter will be related to relevant questions of clinical or health-related importance. This is the second semester of a two-semester sequence. BIOL 20200/20400 should NOT be taken out of sequence. Any student wishing to do so must obtain the instructors permission.