Biology: B3: Organisation and The Digestive System

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11 Terms

1
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Cell

Basic unit of life

<p>Basic unit of life</p>
2
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Tissue

A group of cells that work together to perform a similar function

<p>A group of cells that work together to perform a similar function</p>
3
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Organ

A collection of tissues that carry out a specialized function of the body

<p>A collection of tissues that carry out a specialized function of the body</p>
4
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Organ system

A group of organs that work together to perform a specific function

<p>A group of organs that work together to perform a specific function</p>
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Organism

A living thing

<p>A living thing</p>
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The function of the digestive system is to:

Break down food and allow broken down substances to diffuse into the bloodstream and throughout the body

<p>Break down food and allow broken down substances to diffuse into the bloodstream and throughout the body</p>
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Enzyme

A type of protein that catalyses a chemical reaction

<p>A type of protein that catalyses a chemical reaction</p>
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Amylase

-Breaks down starch into maltose and other sugars

-Produced in the salivary glands, small intestine, pancreas

<p>-Breaks down starch into maltose and other sugars</p><p>-Produced in the salivary glands, small intestine, pancreas</p>
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Protease

-Breaks down protein into amino acids

-Produced in the stomach, small intestine, pancreas

<p>-Breaks down protein into amino acids</p><p>-Produced in the stomach, small intestine, pancreas</p>
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Lipase

-Breaks down lipids into glycerol and fatty acids

-Produced in the small intestine, pancreas

<p>-Breaks down lipids into glycerol and fatty acids</p><p>-Produced in the small intestine, pancreas</p>
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Factors that affect enzyme activity:

•Temperature

•pH

•Substrate concentration

•Enzyme concentration

<p>•Temperature</p><p>•pH</p><p>•Substrate concentration</p><p>•Enzyme concentration</p>

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