The Alimentary Canal

Crossword

Complete the crossword, then click on "Check" to check your answer. If you are stuck, you can click on "Hint" to get a free letter. Click on a number in the grid to see the clue or clues for that number.
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Across:

2. During embryonic development the foregut and hindgut form out of this
5. Region of alimentary canal from ileum to anus
6. First section of hindgut
9. This gland secretes fluid to lubricate food
10. First region of alimentary canal
11. Stores food
12. The _____________ tubules filter waste from hemolymph
16. This membrane protects cells in the midgut
18. Dehydrates waste, often compressing it into a pellet
19. Type of evolution where separate organisms develop similar characteristics independently
20. Controls food release from crop
21. The _____________ canal is the digestive tract of an insect

Down:

1. Expels waste
3. The foregut and hindgut have ____________ linings
4. Secretes digestive enzymes and absorbs food
5. Insect "blood"
7. Connects the pharynx to the crop
8. The mouth opens into the _________ cavity.
13. Finger-like pouches in the midgut that hold symbiotic bacteria
14. Heavily muscled part of foregut to aid in swallowing
15. Section of hindgut
17. During embryonic development the midgut form out of this