Ms. Hansen and the Explorers are very interested in learningthey want to know everything they can about the human body. But they arent alone! The Zelmans, Xeni and Zeno, have come from their planet to learn about Earth's beings too! They travel through the circulatory system into the bean-shaped kidneys, and out through the urinary system to learn how the kidneys filter waste and perform its other functions. Come along as the Explorers and their favorite guests tour the human kidneys.
Note
Includes index.
Contents
Meet the explorers -- Kidney beans -- The kidneys: a diagram -- Fun facts.