ENV410 Environmental Toxicology Primary Routes and Pathways of Exposure University of

ENV410 Environmental Toxicology    Primary Routes and Pathways of Exposure  University of Phoenix  ENV/410: Environmental Toxicology    Primary Routes and Pathways of Exposure      In the modern world there are many toxins around us daily, most of which are overlooked as people go about day-to-day lives, these toxins can have serious immediate or long term effects if they are not handled properly. Some of these may be the pollution emitted from vehicles and industry, others may be from the food we consume, more still could be in the public drinking water. So many factors are constantly barraging our bodies and most times people dont know until its too late.  With the risk of exposure to many toxins, there are four routes by which exposure can be introduced into the body. First, is the skin, which includes the eyes and the Epidermis of humans and is considered to be one of the largest introductions of contaminants due to its extensive use in everything humans do, this allows materials such as heavy, soft metals like lead able to seep into the skin and be absorbed into the blood by cell diffusion, or movement of heavy concentrations into low concentration areas. Second, is inhalation, which is extremely common for substances that are common in the air such as Nitrogen Oxides, Sulfur Dioxide, and other particulate matter like mold, dust, and bacteria. The third is ingestion, which is most common in incidents of children or unaware exposure due to it having to be put into the body before any symptoms can be pr