Digestive System

Name: ______________________   Date: ____________

Use the clues to fill in the crossword.

Across

  1. 3. A clear liquid secreted into the mouth by the ___ glands and mucous glands of the mouth (6)
  2. 7. The organic process by which food is converted into substances that can be absorbed into the body (9)
  3. 8. An uninhabited wilderness that is worthless for cultivation (5)
  4. 9. The region of the body of a vertebrate between the thorax and the pelvis (7)
  5. 10. Hard structures in the mouth used for biting and chewing. (5)
  6. 13. A state in which there is a short supply of cash to lend to businesses and consumers and interest (7)
  7. 14. Tiniest unit of living things (plural) (5)
  8. 15. The opening through which food is taken in and vocalizations emerge (5)

Down

  1. 1. Any substance that can be taken in by a green plant and used in organic synthesis (plural) (9)
  2. 2. The slender part of the back (5)
  3. 4. What we eat to get energy and grow (4)
  4. 5. The passage between the pharynx and the stomach (9)
  5. 6. A garment size for a ___ person (5)
  6. 9. Instrumentality that combines interrelated interacting artifacts designed to work as a coherent (6)
  7. 11. Any of several complex proteins that are produced by cells and act as catalysts in specific (6)
  8. 12. Red liquid pumped around the body by the heart (5)