Across
- 2. Involuntary movements that move/mix food; Combines the muscular system and the digestive system
- 4. Organ in respiratory system that transports food to the stomach
Down
- 1. The digestive system breaks this down for energy for the muscular system
- 2. Product of the respiratory system that's expelled through the digestive system
- 3. The use of muscles in the jaw to break up food