SCIENCE
Cusick, Dawn

Get the Scoop on Animal Snot, Spit & Slime!: From Snake Venom to Fish Slime, 251 Cool Facts About Mucus, Saliva & More!

(4) 4-6 The ewww factor may attract (or repel) readers to this analysis of spit and mucus. But beyond just yucky stuff, readers will learn some animal chemistry: mucins are produced by "goblet cells" (collocytes) and function as digestive aids, moisturizers, and lubricants; saliva aids animal digestion, protects teeth, and more. Brief, colloquial paragraphs are interspersed with many (overly small) photos on each spread. Glos., ind.

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