Body Parts: Double-Jointedness, Hitchhiker’s Thumb, and More


Body Parts: Double-Jointedness, Hitchhiker’s Thumb, and More
Can you stretch your thumb back to your arm? Is your pinkie straight or slightly bent? What determines the way your joints bend—or don't bend? Read this book to find out about how your genes affect your physical features.
About This Book
7-10Age Range
3.0 AR
30Pages
Fun FactsSubject
510LLexile
15-30 minsReading Time
NGuided Reading
MFountas & Pinnell
28DRA
