Digestion, enzymes and absorption. What are the main organs involved in digestion and what do they do? Think, pair, share: How do they make caramel chocolates so yummy and runny? Resources : need digestive system to label , large toso and organs ,

Lets get Bertie to tell us if we are right. What are the main organs involved in digestion and what do they do?

Success criteria I can name the organs in digestion. I can describe the process of digestion. I can explain the roles of enzyme in digestion. What are the main organs involved in digestion and what do they do?

Call My Bluff Organ system What are the main organs involved in digestion and what do they do?

Call My Bluff – 5 points Organ system – a group of organs which work together to do a particular job Organ system – the job of a particular organ. Organ system – the way in which the organs are organised. What are the main organs involved in digestion and what do they do?

Working in your groups, complete your task. What are the main organs involved in digestion and what do they do? Points – completely finished = ? Some progress = ? No work = -5 Working in your groups, complete your task. Group 1) complete the tasks on the computer http://www.bbc.co.uk/science/humanbody/body/index_interactivebody.shtml Produce a set of facts on postit notes and stick them on the board. Group 2 – use your knowledge and the text books to label the organs in the body. Group 3 – use your knowledge and the text books to draw and label the organs in the body. Group 4 – create a set of key word posters about the key words in this topic.

Check point – which of these is not an organ in the digestive system? 1 2 3 Liver Kidney Stomach What are the main organs involved in digestion and what do they do?

Demo: the digestive system Resources. 2 x large sealable plastic bags. Potato masher Liquids – see Miss Morris Gloves – optional Labels – mouth, small intestine, large intestine, toilet, blood, 5 x trays Large sponge. Food – baked beans and bread/cake What are the main organs involved in digestion and what do they do?

Check point – which is the best definition of digestion ? 1 2 3 Breaking large molecules into small, soluble ones. The process of getting energy The process of chewing food What are the main organs involved in digestion and what do they do?

Task: complete the table on digestive organs Job Mouth Oesophagus Stomach Small intestine Large intestine Rectum Pancreas What are the main organs involved in digestion and what do they do?

Task With your worksheet, move round the room and fill in the answers using the A3 sheets. Sheets on organ systems – students have worksheets and go round to find answers. What are the main organs involved in digestion and what do they do?

Task Using the books and the computer tokens, produce a large information leaflet about a particular organ system. What are the main organs involved in digestion and what do they do?

Organ taboo - points available What are the main organs involved in digestion and what do they do?

Organ bingo – points available Liver Brain Root Stomach Oesophagus Nervous system Respiration Spinal cord Starch Enzyme Tissue organ Organ system Circulatory system Heart Leaf

Its game time! There are 3 challenges. Who can complete them first?

Challenges 1) Write down all the organs in the digestive system in order from mouth. 2) what do the following obscure organs do? Xylem vessel b) phloem vessel c) pancreas d) appendix. 3) If cell if magnified using a 30x and a 15x lens, what is the overall magnification?

Plenary Which is the most important organ in the digestive system? Give a reason for your answer. Or http://klbict.co.uk/interactive/science/digestion2.htm What are the main organs involved in digestion and what do they do?