Royston, Angela creator il. Why do we need sleep? How many bones are in your hands? Young children can find out the answers to these and many more mind-bending questions in this bumper guide to the human body. Bright, colourful layouts combine with clear, concise text to make complex ideas easy to grasp. Covers the brain, heart and lungs, digestive system, bones, health, exercise and hygiene. (Grade Level: 1-3) Health Habits Children's Literature Human body 9781595667809 124570