It's not hard to think of gross attributes of the human body. Runny noses, bad breath, and stinky feet are just some of the yucky and unavoidable parts of being human. However, the science behind the gross ways in which the body functions is pretty cool. Scabs, blisters, and mucus are actually ways for our bodies to heal and stay healthy. Readers will love learning about the body through the gross, engaging, and informational facts presented in accessible...