Describes what makes people cough, sneeze, burp, yawn and have other such reflex responses and explains the role these actions play in maintaining health.

What is a capillary? How do joints work? Why do some muscles work in pairs? Investigate the curious world of life science. Find out for yourself about the human

Why do people yawn? Is it because we need oxygen? Or do we yawn to cool off our brain? The answer is, scientists aren't totally sure just yet, but they have man

Common Core's English resources empower educators to meet the expectations of the Common Core State Standards (CCSS) for English Language Arts (ELA) and build e

Audisee® eBooks with Audio combine professional narration and text highlighting for an engaging read aloud experience! Your mouth really is filthy! It’s a sa