Environmental toxins can enter the body through inhalation, ingestion, or dermal contact.

Essential nutrients are necessary for human health and are not considered environmental toxins.

Toxicology is the study of the effects of environmental toxins on human health.

Improved immune function is not a common health effect of environmental toxins.

Detoxification, metabolism, and excretion are all processes involved in removing environmental toxins from the body.

Natural sources are not a common source of environmental toxins.

Ecotoxicology is the study of the effects of environmental toxins on ecosystems.

Increased productivity is not a common health effect of environmental toxins in ecosystems.

Pollution prevention, source reduction, and waste minimization are all processes involved in reducing the amount of environmental toxins released into the environment.

Increasing production is not a common method of pollution prevention.

Risk assessment, hazard assessment, and exposure assessment are all processes involved in assessing the risks posed by environmental toxins.

The economic benefits of the chemical are not a common factor considered in risk assessment.

Risk management is the process of managing the risks posed by environmental toxins.

Increasing production is not a common method of risk management.

Risk communication, public education, and outreach are all processes involved in communicating the risks posed by environmental toxins to the public.