EVSC 110 Lecture Notes - Lecture 5: Escherichia Coli, Coliform Bacteria, Metal Toxicity
24 Apr 2018
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Document Summary
Heavy metals - subset of elements that exhibit metal properties. Toxic heavy metals include: 23 heavy metals of potential environmental concern. Target organs are the blood, kidneys, and central nerves, digestive and skin system. There is a lot of over lap between heavy metals. In small levels it can be bene cial. Accounts for the most of the kids getting heavy metal poisoning. A lot of infrastructure has lead, pipes, paint. Batteries are the main contributor to lead poisoning. Target organs are the bones, brain, blood, kidneys, and thyroid gland. Target organs are the brain and kidneys. It is generated naturally in the environment. Some wildlife had high levels of this which is a human health concern. Can be found in shell sh, soil, smoking. Target organs are the liver, placenta, kidneys, lungs, brain and bones. Heavy metals become toxic when they are not metabolized by the body and accumulate in the soft tissue.
