How many muscles is our body made up of? How does the digestive system work? How does a fetus feed in the mother’s womb? What determines our physical characteristics? Between anatomy lessons, family dinner, endurance race, swimming pool session and medical examination, follow a child of your age in his everyday life to better understand how this marvelous machine that is the human body works! Flaps to unfold, flaps to lift, wheels to turn, mini-books to leaf through, large images to observe.