Hear Your Heart

While you’re awake…while you’re asleep….your heart is always beating. You can listen to your heart. You can feel it beat. But just how does your heart work? New York Times journalist Paul Showers and popular illustrator Holly Keller introduce readers to human anatomy in this clear and accessible look at the circulatory system. A page of activities and further resources gives young biologists more information on keeping their hearts healthy and strong.