# Explain how the stomach acts as an organ in the digestive system, referring to tissues and organ systems in your answer.

> AQA GCSE Biology (8461) — 4.2.2 Animal tissues, organs and organ systems · Explain · 4 marks

## Mark scheme (4 marks)

1. The stomach is made up of / contains more than one type of tissue
2. The tissues work together to perform a specific function (e.g. digestion / producing protease / churning food)
3. The stomach is part of the digestive system, which is an organ system
4. Organ systems are groups of organs that work together (to form organisms / to carry out a larger function)

## Key terms

- [tissue](https://www.gradenine.co.uk/glossary/tissue)
- [organ](https://www.gradenine.co.uk/glossary/organ)
- [organ systems](https://www.gradenine.co.uk/glossary/organ-systems)

## Related

- [Revision notes for AQA GCSE Biology (8461)](https://www.gradenine.co.uk/learn)
- [How to answer "Explain" questions](https://www.gradenine.co.uk/tools/command-word-cheatsheet)
- [Practice this with AI marking (free)](https://www.gradenine.co.uk/start)

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Source: [GradeNine](https://www.gradenine.co.uk/q/explain-how-the-stomach-acts-as-b74e1278) · Published by Druglandscape Ltd.