Besides being gross what is the point of snot and mucus Read all about how these slimy substances help us digest our food and prevent us from becoming ill. You'll also find out just what this sticky stuff is made of why we produce more of it when we've got a cold and what animals like slugs and snails do with their mucus
Buy You Wouldn't Want To Live Without Snot! by Alex Woolf from Australia's Online Independent Bookstore, BooksDirect.