Can you love someone you can never touch? Stella and Will both suffer from cystic fibrosis. Being together means they could pass an infection. Stella is waiting for a lung transplant; Will is on a clinical drug trial. The only way to stay alive is to stay apart. Staying six feet apart doesn't feel like safety, it feels like punishment. Would five feet apart really be so dangerous if it stops their hearts from breaking too? -- adapted from jacket

In this book, readers will learn that the lungs are the most important component of the respiratory system, the process by which oxygen is supplied to all living cells. They will discover how we breathe, how oxygen affects metabolism, and the relationship between the heart and lungs.

"Your respiratory system carries oxygen throughout your body. Breathe it all in, and learn how your lungs take in clean air while getting rid of waste. Download the Capstone 4D app to access a variety of bonus content"--

Uncovers the sobering resurgence of black lung disease in Appalachia, the cover-up activities of the coal mining industry, and the awareness activities of regional mining communities.