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

Buffy Silverman

មករា 2017 · Lerner · បរិយាយដោយ Intuitive

អំពីសៀវភៅ​ជាសំឡេងនេះ

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.