13 Questions About How the Human Body Works Answered
13 Questions About How the Human Body Works Answered
How do people breathe in and out? What’s the body’s biggest organ? What causes a bruise? This list answers these questions and others about how the human body works.
Earlier versions of these questions and answers first appeared in the second edition of The Handy Answer Book for Kids (and Parents) by Gina Misiroglu (2010).