Waring Rob The Amazing Human Body Издательство: Heinle/Cengage Learn Жанр: Heinle/Cengage Learn Качество: Хорошее Страниц: 24 Формат: pdf, fb2, epub The human body is an amazing 'machine' made up of different systems that allow us to do things like run, eat, and even breath. These systems work together to keep the body functioning normally and healthily. How does the human body actually work? What jobs do the systems perform?