Human Digestive System

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Across
  1. 2. The liquid in your mouth that helps to soften food.
  2. 3. Digestion begins in this opening.
  3. 4. The hard structures in your mouth used to cut and chew food.
Down
  1. 1. The tube connecting the mouth to the stomach.
  2. 2. The muscular bag that churns food with digestive juices.