PPT-Digestion: Break-down of large, insoluble food molecules into small, water-soluble molecules

mechanical and chemical processes This occurs in the Alimentary Canal Alimentary canal long muscular tube that runs from the mouth to the anus Peristalsis muscular movement of food. Physical changes. involve the physical tearing, grinding, crushing, and churning of pieces of food. These processes increase surface area, which helps speed up the chemical changes of digestion. . During . Digestion. Assessment Statements. Explain why the digestion of large food molecules is essential. Explain the need for enzymes in digestion. State the source, substrate, products and optimum pH conditions for one amylase, one protease and one lipase.. Gabriel Tan 1i120. Timothy Lee 1i113. Elton . Ching. 1i106. Edgar Foo 1i105. Bryan Yan 1i102. Content. What is digestion and what can be?. What makes up the digestive system?. Myths: Some things you never knew…. Human Biology. :. Digestive System Part I. Science and Mathematics Education Research Group. Supported by UBC Teaching and Learning . Enhancement . Fund . 2012-2015. Department of . Curriculum and Pedagogy. The Digestive System.  .  .  .  .  . The function of the digestive system is to. convert foods into simpler molecules that . can be absorbed and used by the cells of . the body..  .  .  .  . Objectives . At the end of the lesson, students will be able to:. Identify . the parts of the Human Digestive System. Describe . the . role of the parts Human . Digestive . System. . Work cooperatively with others in a group (Valuing other people’s opinions /experiences).. Environmental . Literacy Project. Michigan State University. . Decomposers . Unit. Activity . 5.3: . Explaining How Fungi Grow: Digestion . and Biosynthesis. Unit Map. 2. You are here. Revisit your arguments. Environmental Literacy Project. Michigan State University. . Animals . Unit. Activity 5.1: Tracing the Processes . of Cows . Growing: Digestion and Biosynthesis. 1. Unit Map. You are here. 2. Connecting Questions about Processes at Different Scales: Digestion. Environmental Literacy Project. Michigan State University. . Animals. Unit. Activity 5.3: . Explaining How Cows Grow. : . Digestion. Unit Map. 2. You are here. Revisit your arguments. Think about what you know now that you didn’t know before. What have you learned?. 21.1 Nutrition. Nutrition: The process of getting the food needed to survive. . Food provides energy and raw materials.. Malnutrition: Occurs when a person does not get enough to eat, or when the food eaten does not provide all of the nutrients needed.. Environmental Literacy Project. Michigan State University. . Animals . Unit. Activity 5.1: Tracing the Processes of Cows Growing: Digestion and Biosynthesis. 1. Unit Map. You are here. 2. Connecting Questions about Processes at Different Scales: Digestion. Need to know. The Function of Food . Three reasons for requiring food . 2. Food is needed for:. Energy. Growth of new cells and . Repair of existing cells, tissues, organs, etc.. 3. Food also supplies:. . https://www.youtube.com/watch?v=B0CRWq3nc80. . What is digestion ?. It is the break down of food into smaller molecules and nutrients needed to be used for energy, growth, and cell repair. . How does food move through the digestive system?. Nutrients. are the . components . in food that provide materials and energy the body needs for it to function. . During Digestion…. o. ur body breaks down large molecules of food, mechanically and chemically, into small molecules that the body needs for maintenance, growth, and energy! .