Eosinophils can be recognized by their nuclei, which is generally _____. They also contain granules and nuclei which bind eosin, a(n) _____ dye. (Eosin binding is not unique to eosinophils, though: red blood cells and muscle fibers, to name two of many others, are also stained by eosin.)

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Anatomy refers to the internal and external structures of the body and their physical relationships, whereas physiology refers to the study of the functions of those structures.