Details
PUBLISHED
[United States] : Gareth Stevens Publishing LLLP, 2014
Made available through hoopla
Made available through hoopla
DESCRIPTION
1 online resource
ISBN/ISSN
9781538223574 (electronic bk.) MWT14421812, 1538223570 (electronic bk.) 14421812
LANGUAGE
English
NOTES
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 many great theories. The vibrant photographs and diagrams in this book help demonstrate what happens in the body when we yawn. The scientific yet accessible text was designed to both interest and enlighten readers of all ages
Mode of access: World Wide Web