Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content + RESEARCH FOCUS Download Section PDF +++ ++ No matter what their career direction, students must learn how to read and think about the latest research. Research Focus presents new research and explains why it’s relevant. ++ Graphic Jump LocationView Full Size||Download Slide (.ppt) + A CLOSER LOOK Download Section PDF +++ ++ A Closer Look offers an in-depth view of topics that are of special interest to students. This feature encourages students to dig deeper into key concepts. ++ Graphic Jump LocationView Full Size||Download Slide (.ppt) + ASK THE EXPERT Download Section PDF +++ ++ This question-and-answer feature lets you find out what leading scientists have to say about topics such as the effect of space flight on skeletal muscle and the effect of exercise on bone health. ++ Graphic Jump LocationView Full Size||Download Slide (.ppt)