This student text presents instructional materials for a unit of science within the Biomedical Interdisciplinary Curriculum Project (BICP), a two-year interdisciplinary precollege curriculum aimed at preparing high school students for entry into college and vocational programs leading to a career in the health field. Lessons concentrate on nutrition in health and medicine and include sections on the digestion of foods, organic chemistry of nutrients, energy and cell respiration, diet, foodborne diseases, food technology, and dental science and nutrition. Reading materials, graphs, illustrations, and problems accompany each of 43 sections. (CS)