Focuses on scientific thinking, cell physiology, neurophysiology, endocrinology, immunology and musculoskeletal physiology. The first semester of a two-semester sequence for IPHY and NRSC majors only. Department enforced requisites: one year of general biology (lecture and lab); statistics equivalen. Recommended course: IPHY 3415. Degree credit not granted for this course and IPHY 3430. Those who took IPHY 3430 prior to becoming IPHY major, will only receive credit for IPHY 3470.