Customer Reviews

The Respiratory System (True Books: Health)

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When you breathe your body takes in oxygen that is needed by your body to combine "with nutrients from the food you eat." This in turn produces the energy you need to stay active and healthy. A byproduct of this process is carbon dioxide. It is carried through the blood stream into the lungs and when you exhale you get rid of it. When you breathe in your diaphragm pulls down and "allows air to fill the lungs" and when the process is reversed it pushes air out. One way your body protects itself is by cilia that line your nose. They "help filter out particles from the air you breathe," including things like unwanted bacteria.

This book talks about several parts of the body related to lung function. This is a "True Book" and in the front it has two sentences, only one of which is true. You'll have to find the answer in the pages of this book, but that won't be very difficult because True Books are fun and very interesting. Other things you'll read about in this book include how you breathe out, the function of your vocal chords and how they work, how your lungs are protected from breathing in food, the function of your windpipe, the structure of your lungs, the relation your lungs have with your heart, allergies, respiratory diseases, artificial lungs, lung transplants, cardiopulmonary resuscitation (CPR) and how to protect your lungs.

The Scholastic "True Book" series are excellent and cover numerous topics. This book is very well written and the appropriate, bright illustrations compliment it very nicely. There are numerous informative sidebar materials, fun facts scattered throughout the book, a page of true statistics, an index, a list of important words (highlighted in bold print throughout the book), and additional recommended book and web site resources. Did you know that someone who is 70 years old "will have taken about 600,000 million breaths?" That is just one of the many interesting facts in this book!