Most humans only weigh a few pounds when they are born. A child grows about 2.5 inches (6.4 centimeters) every year between the ages of 6 and 12. Learn about the fascinating ways the human body functions in How I Grow, a My Body title. Each title in the series introduces readers to the ways in which their body senses things, grows, and interacts with the world around them. My Body is a series of AV2 media enhanced books. A unique book code printed on page 2 unlocks multimedia content.

These books come alive with video, audio, weblinks, slideshows, activities, hands-on experiments, and much more. Follow these steps to access your AV2 book. Step 1 Find the code on page 2 of this book. Step 2 Enter the code at www.av2books.com. Step 3 Explore the AV2 media enhanced book. Book jacket.