Digestion

Task 2a: Find some food packaging and look at the labels.

• What information can you find on the labels?

• What does this tell you about what is in our food?

Task 2c: Make notes that:

• List the 6 food groups

• Explain what we use these nutrients for and give some examples of foods that contain these nutrients

• Define deficiency disease

• Name 5 deficiency diseases, describe the symptoms and explain the cause .

Task 2e: Compete and mark the exam questions

Task 3b: Make notes that:

• Describe the tests for:

  • Glucose (simple sugar)

  • Starch

  • Lipids

  • Protein

Task 4d: make notes that:

State the role of the digestive system

Give the products of digestion of:

• • Starch

  • Protein

  • Lipids

Explain the role of enzymes in digestion

List the organs in the digestive system.

Explain the role of each organ and how it is adapted to carry out this role - make sure you include the liver and pancreas

Task 4e: watch the video. This is a model of the digestive system.

• List the organs represented

• Explain how these organs are represented.

• Describe what is good about this model.

• Suggest how could it be improved.

Task 4f: Complete and mark the exam questions

Task 5b: Make notes that:

Define:

• Enzyme

• Substrate

• Active site

• Denatured

Name the three main types of enzyme and which substrate they work on.

Explain why lipase will not speed up the digestion of starch.

Task 6b: Make notes that:

• Define denatured

• Sketch a graph to show how temperature affects enzyme activity

  • Label the optimum temperature

  • Label where the particles are gaining more kinetic energy

  • Label where the enzyme becomes denatured

• Explain why it is important to ensure our body stays a constant temperature.

Task 6c: Complete and self mark the exam question

Task 7b: Make a mind map or single page revision summary for this topic

• add it to your revision folder

Complete the test for this topic - make sure you get the pass mark

Make a comic strip that explains the passage of a cheese and ham sandwich (or other food of your choice) as it travels through your digestive system.

Try to name all of the organs and enzymes involved.