Living in the Environment 18th Edition by Tyler Miller,Scott Spoolman

Exercise 3

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. What are PCBs and why are they a threat Describe the human immune, nervous, and endocrine systems and give an example of a chemical that can threaten each of these systems. 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 concerns about exposure to bisphenol A (BPA) and the controversy over what to do about exposure to this chemical. Summarize concerns over exposure to phthalates. List six ways to reduce your exposure to hormone disrupters.