This fusion is proceeded by neuron capture. Many of the hazardous heavy metals were formed by mining and other natural occurrences, leaving them a danger to both the environment and all life forms. Since then, more information and advances have come out on its toxicity which help control and deal with its complexities, however, exposure does continue and has seen an increase in some areas.
Biologically, many heavy metals are important for human and or animal life. Although the heavy metals are only in trace amounts in the human body, many are essential in for many biological functions and processes. With that being said, heavy or long exposure have been very toxic and life threatening. It can be short term (acute) or long term (chronic) problems when exposed which include vomiting, shortness of breath, organ damages, cancer and many other