• Unit 4. The digestive system
     Help
  • What is digestion?
    The process of breaking food into smaller substances the bod
  • Which organ is digestion started in?
    Mouth
  • What does saliva help to do?
    Soften food and begin digestion
  • Unlock this slideshow and over 4 million more with Baamboozle+
    Try slideshows
    • Your experience on this site will be improved by allowing cookies.