Discover it Yourself Inside the Body is packed with scientific facts, experiments, and activities linked to the human body. It brings a lively, hands-on approach to practical science experiments. Children can find almost everything they need for the experiments around the home, and the materials and instructions are simply, safely, and clearly presented. Written by Sally Morgan, this STEM-focused book will show readers how to test their fitness and reflexes, find out how much air you can expel from your lungs, measure their heart rate, and much more. Kids will learn, explore and discover STEM in the world around them with the Discover It Yourself series including titles Sound and Light , Nature At Risk, and Pollution and Waste .