Science digestive system

• What system is responsible for digesting food in the body?

  Human digestive system
• What happens to large insoluble food particles during digestion?

  They are broken down into smaller soluble molecules
• What are the stages of digestion?

  1. Chewing
  2. Swallowing
  3. Stomach processing
  4. Small intestine absorption
  5. Large intestine waste elimination
• What is the first stage of the digestive system?

  Chewing
• How does saliva aid in digestion?

  It contains enzymes that break down food
• What is the role of the tongue in digestion?

  It pushes food down the throat
• What is the esophagus also known as?

  Food pipe
• How long does food stay in the stomach?

  Approximately four hours
• What substances does the stomach release to aid digestion?

  Acids and enzymes
• What enzyme in the stomach helps break down proteins?

  Pepsin
• What is the next destination for food particles after the stomach?

  Small intestine
• What does the stomach do to bacteria?

  Kills a lot of bacteria
• What aids digestion in the small intestine?

  Juices from liver and pancreas
• What does the liver secrete to help break down fats?

  Bile
• What does the pancreas release to aid digestion?

  Other enzymes for food digestion
• How does the small intestine contribute to digestion?

  It absorbs broken down food particles
• What happens to particles not absorbed by the small intestine?

  They reach the large intestine
• What does the large intestine absorb?

  Water and other particles
• What does the large intestine do with waste material?

  Sends it out of the body
• What is a fun fact about the large intestine?

  • It produces antibodies
  • Helps boost immunity
• What happens to the stomach lining when a person blushes?

  It becomes red too
• What is the overall message about health in the material?

  • Eat healthy
  • Digest healthy
  • Live healthy