ACROSS | DOWN |
1 Formation of a toxic metabolite due to the presence of an exogenous chemical | 2 These reactions occur because of specific genetic predispositions in small segments of the population |
4 The level of exposure at which no harmful effects occur | 3 30 to 90 exposures over one to three months |
7 This study concerns harmful effects on embryonic development | 5 Two or more chemicals interfering with one other |
8 The study of the movement and absorption of toxins by and through the body | 6 The range of doses of a given chemical that produces increasing and more lethal responses |