1. Digestive System- the basics
Gr C: Correctly label each part of the digestive system.
Gr B: Explain the functions of each organ.
Gr A: Organize the digestive system.
Entrance activity
Write down 1 to 10 in your books for a quick recap quiz!
Key words
Digestion, Ingestion, Egestion, Mechanical digestion, Chemical digestion, Absorption, Assimilation, Faeces, mastication.

2. The breakdown of large insoluble food molecules.
Key Word Alert
Digestion
The breakdown of food.
The breakdown of large insoluble food molecules.
The breakdown of large insoluble food molecules into small water soluble molecules.
The breakdown of large insoluble food molecules into small water soluble molecules, using mechanical digestion and chemical digestion.

3. Attempt to label all of the parts of the digestive system.
Learning Activity
Attempt to label all of the parts of the digestive system.

5. Digestive System- the basics
Gr C: Correctly label each part of the digestive system.
Gr B: Explain the functions of each organ.
Gr A: Organize the digestive system.
Entrance activity
Write down 1 to 10 in your books for a quick recap quiz!
Key words
Digestion, Ingestion, Egestion, Mechanical digestion, Chemical digestion, Absorption, Assimilation, Faeces, mastication.

6. Grade C Organs + Parts Mouth Oesophagus(gullet) Stomach
Learning Activity
Attempt to write down the function of the following organs:
Mouth
Oesophagus(gullet)
Stomach
Small intestine
Large intestine
Where food enters the alimentary canal and digestion begins to break down food.
Muscular tube which helps food move to the stomach by peristalsis.
The primary area for food breakdown using enzymes and acidic juices.
A thin long tube, composed of millions of villi's which are used for absorbing nutrients.
(Wider than the small intestine) This tube is used for the reabsorption of water from the gut contents; also absorbs some vitamins and minerals.

7. Grade B Organs + Parts Liver Gall Bladder Salivary Gland Anus Rectum
Learning Activity
Attempt to write down the function of the following organs:
Liver
Gall Bladder
Salivary Gland
Anus
Rectum
Organ used for the production of bile, a chemical used to neutralize stomach acid.
Store for bile. Bile is released into the duodenum through he bile duct.
Three pairs of glands, found in the mouth, used to secrete saliva containing enzymes.
Ring of muscles called a sphincter, used to prevent faeces coming out of rectum.
Store for faeces prior to defaecation.

8. Grade A Organs + Parts Pancreas Duodenum Ileum Colon Learning Activity
Attempt to write down the function of the following organs:
Pancreas
Duodenum
Ileum
Colon
Produces pancreatic juices containing enzymes.
Connective tube between the stomach and the small intestine.
Large lower region of the small intestine where most of the absorption takes place..
Part of the large intestine. The large intestine is made up of 3 colons.

9. Digestive System- the basics
Gr C: Correctly label each part of the digestive system.
Gr B: Explain the functions of each organ.
Gr A: Organize the digestive system.
Entrance activity
Write down 1 to 10 in your books for a quick recap quiz!
Key words
Digestion, Ingestion, Egestion, Mechanical digestion, Chemical digestion, Absorption, Assimilation, Faeces, mastication.

10. Additional Organs + Parts
Learning Activity
Arrange these organs in order of that they are used in the digestive system. (Extension- Add additional missing organs to the order)
Small intestine
Rectum
Mouth
Oesophagus
Stomach
Duodenum
Large intestine
Anus
Additional Organs + Parts
Liver, Pancreas, Gall bladder, Salivary gland, Ilium, Colon, Bile duct.

11. Plenary
True or False
Only write down the statements that are true. Any incorrect statements correct them and write them into your book.
The Ilium is a part of the large intestine and is used for absorbing nutrients.
Egestion is when faeces passes out of the alimentary canal, through the anus.
Chemical digestion is the breakdown of insoluble food using enzymes.
The duodenum connects the stomach to the small intestine.
The rectum is made up of sphincter muscles, used to hold faeces.