Uploaded February 2026 | Updated September 2026, 17 minutes ago
Find your 9s with PLUS. Click the link to try for free freesciencelessons.co.uk/modules/gcse-biology-1-triple
Teachers, to get PLUS for your school, email schools@freesciencelessons.co.uk
In this video, we look at digestion and the digestive system. I take you through the basic ideas of why food needs to be digested and then we explore the different parts of the digestive system.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credits:
Human digestive system Lozzaaa [Public domain], via Wikimedia Commons
Stomach
commons.wikimedia.org/wiki/File:Digestive_system_-_Stomach_3_--_Smart-Servier.png
Laboratoires Servier, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
Cheek cells
commons.wikimedia.org/wiki/File:Cheekcells_stained.jpg
Mulletsrokk, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
Find your 9s with PLUS. Click the link to try for free freesciencelessons.co.uk/modules/gcse-biology-1-triple
Teachers, to get PLUS for your school, email schools@freesciencelessons.co.uk
In this video, we look at digestion and the digestive system. I take you through the basic ideas of why food needs to be digested and then we explore the different parts of the digestive system.
This video is based on the AQA spec. This video may be appropriate for iGCSE / O Level Biology. Please consult your specification. The Amazon link above is an affiliate link. This provides a small commission which helps to support freesciencelessons. The cost remains the same to you. If you prefer not to use this, you can search Amazon for the Freesciencelessons workbooks.
Image credits:
Human digestive system Lozzaaa [Public domain], via Wikimedia Commons
Stomach
commons.wikimedia.org/wiki/File:Digestive_system_-_Stomach_3_--_Smart-Servier.png
Laboratoires Servier, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
Cheek cells
commons.wikimedia.org/wiki/File:Cheekcells_stained.jpg
Mulletsrokk, CC BY-SA 3.0 creativecommons.org/licenses/by-sa/3.0, via Wikimedia Commons
