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Physical digestion
Explain physical digestion as the process of breaking down food into smaller pieces without altering the chemical structure of the food molecules.
7
Objectives
70
Flashcards
49
Questions
90 min
Study time
CambridgeIGCSEBiologyHuman nutrition
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Physical digestion outcomes7 objectives
- Explain physical digestion as the process of breaking down food into smaller pieces without altering the chemical structure of the food molecules.
- Indicate that physical digestion enhances the surface area of food, facilitating the action of enzymes during chemical digestion.
- Recognize and label the different types of human teeth in diagrams and images, including incisors, canines, premolars, and molars.
- Explain the structure of human teeth, focusing on components such as enamel, dentine, pulp, nerves, blood vessels, and cement, and acknowledge that teeth are set in bone and gums.
- Discuss the roles of different types of human teeth in the physical digestion of food.
- Explain the role of the stomach in the process of physical digestion.
- Summarize the function of bile in emulsifying fats and oils to enhance the surface area for chemical digestion.
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