Health Effects of Exposure to Substances and Carcinogens
An organ system is a structure that is found inside a human or animal. It is made of cells or tissues that perform a specific function. When exposed to a hazardous substance, the organ that the substance affects at the lowest dose is called the target organ. Development is the process in which an individual or animal matures until puberty. Click on a target organ system below to see an overview of the system and a list of substances that can harm it.