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In this lesson you will learn more about this special liquid.
Author: Márton Gábor
Reviewer: Horváthné Kunstár Andrea
human, amylase, digestive system, digestive tract, digestion, mouth, enzyme, digestive enzyme, flavors, salivary gland, water, véralvadásgátló, amphibian, dog, reptile, bat, spider, sticky, stress, biology, hygiene, animals, anthropology, zoology
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