Helen Bethune Why Does My Heart Pump? Издательство: Cambridge University Press Жанр: Cambridge University Press Качество: Хорошее Страниц: 24 Формат: pdf, fb2, epub A series of twenty non-fiction science readers which engages children in the world around them. Is the tongue a muscle? How do our bones move? Why do we sneeze? You can find the answers to these and other questions about how the body works in Why Does My Heart Pump?