Science crossword puzzle
Across
- 3. food that has gone through your body and comes out
- 6. the divider between the windpipe and esophagus
- 8. the tube that food goes to from your mouth
- 9. the________ system involves your heart and blood vessels
Down
- 1. the________ system contains the mouth, large intestine, small intestine, and the stomach
- 2. chewed up food that enters the digestive system
- 4. Liquid that helps break down food and makes it swallowable
- 5. the________ system has the mouth, nose, and lungs
- 7. The windpipe right next to your esophagus
- 10. another word for the large intestine