GCSE AQA 9-1 Biology: Organisation B2

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What is differentiation?
When a cell becomes specialised for a specific job.
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What is a tissue?
A group of similar cells working together to carry out a particular function.
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Give 3 examples of tissues.
1. Muscular tissue - which contracts to move 2. glandular tissue - which makes and secretes chemicals such as enzymes and hormones. 3. epithelial tissue - covers parts of the body.
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What is an organ? Give an example.
A group of different tissues working together to perform a certain function. An example is the stomach.
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What tissues make up the stomach?
Muscular tissue (moves the stomach to churn up food), glandular tissue (makes digestive juices to digest food), epithelial tissue (covers stomach)
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What is an organ system?
A group of organs working together to perform a specific function.
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What does the digestive system do?
It breaks down and absorbs food.
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What organs make up the digestive system?
Glands (the pancreas and salivary glands) produce digestive juices. The stomach and small intestine digest food. The liver produces bile. The small intestine absorbs soluble food moleculesThe large intestine absorbs water from undigested food(faeces)
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Card 2

Front

What is a tissue?

Back

A group of similar cells working together to carry out a particular function.

Card 3

Front

Give 3 examples of tissues.

Back

Preview of the front of card 3

Card 4

Front

What is an organ? Give an example.

Back

Preview of the front of card 4

Card 5

Front

What tissues make up the stomach?

Back

Preview of the front of card 5
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