Our body needs air to survive. Breathing in brings oxygen into our lungs, while breathing out rids our body of carbon dioxide. With this book, guide your readers through the very necessary biological system their body goes through every second of every day. This nonfiction book is paired with the fiction book, A Walk in the Mountains, for connecting across texts and comprehension through connection strategies.

Our body needs air to survive. Breathing in brings oxygen into our lungs, while breathing out rids our body of carbon dioxide. With this book, guide your readers through the very necessary biological system their body goes through every second of every day. This nonfiction book is paired with the fiction book, A Walk in the Mountains, for connecting across texts and comprehension through connection strategies.

Our body needs air to survive. Breathing in brings oxygen into our lungs, while breathing out rids our body of carbon dioxide. With this book, guide your readers through the very necessary biological system their body goes through every second of every day. This nonfiction book is paired with the fiction book, A Walk in the Mountains, for connecting across texts and comprehension through connection strategies.