In the mouth the hamburger is ________________ broken down by the teeth and _ is secreted from the glands to moisten the food and turn it into a ______________, a soft moist mass of food which is easy to swallow.

Food is our fuel, and its nutrients give our bodies' cells the energy and substances they need to work. But before food can do that, it must be digested into small pieces the body can absorb and use.

The first step in the digestive process happens before we even taste food. Just by smelling that homemade apple pie or thinking about how delicious that ripe tomato is going to be, you start salivating — and the digestive process begins in preparation for that first bite.

In the mouth the hamburger is ____________________________ broken down by the teeth and _______________________ is secreted from the ____________________ glands to moisten the food and turn it into a ________________________, a soft moist mass of food which is easy to swallow.

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In the mouth the hamburger is ________________ broken down by the teeth and _ is secreted from the glands to moisten the food and turn it into a ______________, a soft moist mass of food which is easy to swallow.