Mathematics- calculus, differential equations, and statistics; one semester of computer programming highly recommended.
Physics- two semesters, modern physics recommended
Chemistry- one semester; biochemistry or organic chemistry recommended
Engineering - introductory courses in two of the following three areas: materials science or biomaterials, mechanics or fluid mechanics, transport or heat and/or mass transfer, signals and systems. Courses in instrumentation and systems physiology are highly recommended.
Research or Design Experience - highly recommended.