Visit the interior of your mouth, stomach, liver, intestines, and other gastrointestinal tract organs in Science Comics: The Digestive System! A helpful bacterium will be your tour guide through the stomach and take you on an incredible journey. Find out how food becomes a source of nutrients! Investigate unusual and harmful glands! Saliva, mucus, and vomit are amazing substances. You'll never forget your trip to the bathroom thanks to author Jason Viola and illustrator Andy Ristaino! Every volume of Science Comics provides a thorough overview of a certain subject, including information on dinosaurs, the solar system, volcanoes, bats, robots, and more! These graphic novels are appropriate for anyone, whether they are fourth-graders studying natural science in class or thirty-somethings with a secret fascination for aeroplanes.