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Digestion Chemistry

Digestion Chemistry

Food’s journey through the digestive system

Food’s macronutrients undergo chemical breakdown as they move through the digestive system. Learn more about the digestion process and its hormonal control.

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Finding your way around

There are several different ways to discover the site's resources and their related content, along with ideas for grouping them for teaching opportunities:

  • The collections contain groups of related resources about Digestion Chemistry.
  • The Connections tool is a visual interactive pathway to discovering the resources and related content for Digestion Chemistry.
  • The printable context overview will assist teachers to find pathways through this context and to plan lessons and units of work.

Collections | Connections | Context overview (PDF 74 kB)


    Mitochondria – cell powerhouses

    Mitochondria are tiny organelles inside cells that are involved in releasing energy from food. Keeping them functioning well is key to avoiding premature ageing and degenerative diseases.

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    Healthy gut bacteria

    It has been estimated that there are more bacteria in the large intestine than there are cells in the body. Maintaining a healthy bacterial population in the large intestine plays a key role our...

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    The human digestive system

    The human digestive system consists of a long muscular tube and several accessory organs. It is responsible for food ingestion and digestion, absorption of digestion products and the elimination of...

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    Unlocking the energy in foods

     The foods we eat supply the energy needed by the body to drive its complex chemical, mechanical and electrical systems. Where does this energy come from, how is it locked into food molecules and...

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Satiety Research

Dr John Ingram is a senior research scientist with Plant & Food Research, Auckland....


NZ Research

NZ Research collection.
NZ Research collection. This collection provides information about the work of New Zealand’s world-class science and technology sectors in relation to Digestion...

Science Ideas and Concepts

Science Ideas and Concepts collection.
Science Ideas and Concepts collection. Scientific study requires a basic knowledge and understanding of ideas and concepts. This collection explains the ideas that are...

Looking Closer

Looking Closer collection.
Looking Closer collection.
This collection contains a wide variety of resources and information about Digestion Chemistry, which supports the resources in the other...


People collection.
People collection. This collection introduces some of the people working or studying in the areas explored in Digestion Chemistry. Click on a name to find out...

Teaching and Learning Approaches

Teaching and Learning Approaches collection.
Teaching and Learning Approaches collection. Student activities are the main feature of this collection, along with a variety of resources for teachers to use in exploring Digestion...


Timeline  collection.
Timeline  collection. An interactive look at the time it takes for food to pass through the gut from mouth to anus. In a healthy adult, transit time is about...

Question Bank

Question Bank collection.
Question Bank collection. An inquiry approach is a method often used in science education. The question bank provides an initial list of questions about Digestion...

Key Terms

Key Terms collection.
Key Terms collection. This resource provides explanations of the key concepts encountered in the Digestion Chemistry context.

Sci Media

Sci Media collection.
Sci Media collection. This collection is where you can find all the images, video clips, animations and interactives that relate to Digestion Chemistry.

Science Learning Hub Survey 2014

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