TY - BOOK AU - Abbas Ali Mahdi (Editor) TI - Heavy Metals Toxicity in Biological Systems SN - 9789386841841 U1 - 615.907 PY - 2019/// CY - NewDelhi PB - Discovery Publishing House Pvt Ltd KW - Heavy metals and chemical elements N1 - Heavy metals are chemical elements with a specific gravity greater than 5.0. Among the 90 naturally occurring elements, 21 are non-metals, 16 are light metals, and the remaining 53 are heavy metals. The majority of naturally occurring elements, which from a biological perspective is not very helpful. However, only a limited number of heavy metals are soluble under physiological conditions and bioavailable to living organisms ER -