The basic Celtic Cross is a symbol comprising a conventional cross with a ring around the intersection of the stem and the arms (as per the more elaborate example above).
Biomedical science includes any course of scientific study related to biology as it affects health care. It includes classes such as physiology, anatomy, epidemiology, biochemistry, nutrition and kinesiology. Biomedical sciences are the foundation of knowledge for all health care professionals.
physical science. Any of several branches of science, such as physics, chemistry, or geology, that studies the nature and properties of energy and nonliving matter. Compare life science.