Why do we use soap? What is bacteria? How do germs pass from one person to another? Find the answers to these questions and much, much more in this picture-packed introduction to the human body. An ideal first introduction to biology and health, Why do I wash my hands? explores the importance of good hygiene with fun experiments and activities.
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Why do we use soap? What is bacteria? How do germs pass from one person to another? Find the answers to these questions and much, much more in this picture-packed introduction to the human body. An ideal first introduction to biology and health, Why do I wash my hands? explores the importance of good hygiene with fun experiments and activities.
Read Less
