Weight lifters often use supplements and drugs to enhance their appearance or performance. In which scenario is the weight lifter placing himself or herself at the greatest risk for harm?

Amy gained cardiovascular health benefits from running consistently over the past year. now she runs inconsistently and has lost some of those health benefits. this principle is known as?

Although animals share many common characteristics, there is also a great amount of diversity found in animals. which animals are ectothermic, obtain dissolved oxygen in water through gills, have scales, have fins, and live in water?

What is 5 questions you should ask yourself when trying to tell if a health resource is reliable