1. Lesson Starter
Teeth play an important role in DIGESTION; use your own words to describe the role of our teeth.

2. Importance of teeth in digestion
We use our TEETH to grind down food, making it easier to swallow. This is a PHYSICAL CHANGE – although our food does not look the same as when we ate it, it is still what we put in.

3. Learning Intention
To be able to explain the journey food takes through the digestive system.
To be able to label the digestive system.
To describe the role of the organs in the digestive system.

4. How do we get from this…
…to this?

5. The Digestive System oesophagus (gullet, or food pipe) small intestine
stomach
large intestine
anus

6. Step 1: Inside the Mouth Salivary glands Produces saliva Enzymes
Lubrication

7. Step 2: Swallowing
Oesophagus
Tube to stomach
Muscle

8. Step 3: Inside the stomach
Stomach- acid
Liver- bile
Gall bladder- store bile

9. Step 3: Inside the stomach
Stomach- acid
Liver- bile -fat
Gall bladder- store bile
Pancreas- enzymes, carbs, fat, protein

10. Step 4: Intestines Small intestine 23.3ft long (approx)
Absorbs nutrients

11. Step 5: Intestines Large intestine Colon- water and salt
Rectum- signals brain for bowel movement

12. Step 6: Out of the body
Anus
Waste (faeces/poop)

13. Tweet your answers #Digestion
What do you think is the most important organ in the digestive system and why?
Include the organs function and why you think it is the most important