Physical digestion

7.3

What the syllabus asks of you

Describe physical digestion as the breakdown of food into smaller pieces without chemical change to the food molecules
State that physical digestion increases the surface area of food for the action of enzymes in chemical digestion
Identify in diagrams and images the types of human teeth: incisors, canines, premolars and molars
Describe the structure of human teeth, limited to: enamel, dentine, pulp, nerves, blood vessels and cement, and understand that teeth are embedded in bone and the gums
Describe the functions of the types of human teeth in physical digestion of food
Describe the function of the stomach in physical digestion
Outline the role of bile in emulsifying fats and oils to increase the surface area for chemical digestion

Read the notes first

Chapter 8: Human digestive system

Drill this topic

Every question on Physical digestion, untimed, marked as you go.

Make a worksheet

Choose the years and how many questions, then print it with the answers on separate pages.