What Is the Immune System?

Explores the human immune system. This book begins with a narrative of the immune system in action before explaining how it works, what can happen when it does not work properly, and how to keep it strong. Vivid images and a helpful diagram will aid in comprehension. Additional features include a table of contents, sidebars, critical thinking questions, Fast Facts, an activity for further learning, a phonetic glossary, an index, an introduction to the author, and sources for further research. Catching a Cold
Protecting from Invaders
Helping the Immune System
Wonder More
Fast Facts
Washing Your Hands
Glossary
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Index Activities for further learning Author/Illustrator biography Educational front/back matter Glossary of key words Index Infographics Informative sidebars Phonetics Photo captions Sources for further research Suggested websites Table of contents The human body comprises several body systems, each of which contributes to the body's function. This series introduces readers to some of the body's most important systems, including the circulatory, digestive, immune, muscular, nervous, respiratory, and skeletal systems. In addition, one title in the series explores the sensory organs. Vivid images and a helpful diagram will aid in comprehension. Additional features include a table of contents, sidebars, critical thinking questions, fast facts, an activity for further learning, a phonetic glossary, an index, an introduction to the author, and sources for further research.