System Crossword

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Across
  1. 2. What is the food mixed with in the stomach?
  2. 3. Where is the air filtered by tiny hairs?
  3. 5. What type food is cheese?
  4. 8. Where do two or more bonds meet?
  5. 9. What walls does the air have to travel through to get into the blood stream?
  6. 10. Which intestine produces digestive juice called bile?
Down
  1. 1. Where are the liquids absorbed?
  2. 3. what attach muscles to bones?
  3. 4. What is the other things that muscles do other than relaxing?
  4. 6. What is the main organs in the respiratory system
  5. 7. What system is responsible for movement of the human body?