RT Book, Section A1 Lehman-McKeeman, Lois D. A2 Klaassen, Curtis D. A2 Watkins III, John B. SR Print(0) ID 1113949032 T1 Absorption, Distribution, and Excretion of Toxicants T2 Casarett & Doull’s Essentials of Toxicology, 3e YR 2015 FD 2015 PB McGraw-Hill Education PP New York, NY SN 9780071847087 LK accessbiomedicalscience.mhmedical.com/content.aspx?aid=1113949032 RD 2024/04/24 AB Absorption is the transfer of a chemical from the site of exposure, usually an external or internal body surface, into the systemic circulation.Toxicants are removed from the systemic circulation by biotransformation, excretion, and storage at various sites in the body.Excretion is the removal of xenobiotics from the blood and their return to the external environment via urine, feces, exhalation, etc.