IGCSE Biology - Digestion and Enzymes Presentation
This is an animated PowerPoint presentation that covers the Digestive system and enzymes part of Section 2.2 Food and Digestion of the Edexcel IGCSE Biology course.
The Powerpoint covers the following questions:
Can you label a diagram of the digestive system and explain the functions of the mouth, oesophagus, stomach, small intestine, large intestine and pancreas? Can you explain what the following terms mean: ingestion, digestion, absorption, assimilation and egestion? What is peristalsis? Can you explain how digestive enzymes are used to break down starch, protein and fat? Where is bile produced and stored? What are its roles? How do villi aid absorption in the small intestine?
The PowerPoint is designed to directly address each relevant point in the syllabus. It is simple and straight to the point covering the topic in just the right amount of detail.
Many of the slides have animations in that will only work when viewed in slideshow mode, so please use that when working through the presentation.