"The digestive system helps humans get the most out of every meal or drink. It also rids the body of unwanted material. This closer look at an essential human body system explains the ins and outs of the digestive system, including its location within the human body, the organs used in digestion, and ways excreting certain materials benefits the human body. Its colorful photographs and diagrams, fact boxes, and sidebars keep readers interested and offer comprehensive insight into one of the most important parts of the human body. Discussion questions are also included to strengthen readers' understanding of life science"-- Provided by publisher.