Environmental Science 15th Edition by Scott Spoolman,Tyler Miller

Exercise 2

What is the key concept for this section? What is a toxic chemical ? Define and distinguish among carcinogens , mutagens , and teratogens , and give an example of each. Describe the human immune, nervous, and endocrine systems, and for each of these systems, give an example of a chemical that can threaten it. What is a neurotoxin and why is methylmercury ( Core Case Study ) an especially dangerous one? What are six ways to prevent or control environmental inputs of mercury? What are hormonally active agents (HAAs), what risks do they pose, and how can we reduce those risks? Summarize health scientists' concerns about exposure to bisphenol A (BPA) and the controversy over what to do about exposure to this chemical. Summarize the concerns over exposure to phthalates. List six ways to reduce your exposure to HAAs.