A124 SCIENCE

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chromatography
A technique for the separation of a mixture by passing it in solution or suspension through a medium in which the components move at different rates.
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Colourimetry
A technique used to determine the concentration of coloured solution. A colorimeter is a device used to test the concentration of a solution by measuring its absorbance of a specific wavelength of light.
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colour marthing
Where you compare the drink samples to the E-number against a white background and say if you think the E-number is present in the drink sample.
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Vessels
the blood travels around the body inside tudes called blood vessels
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three types of blood vessels
arteries veins capilaries
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arteries
carry blood away from heart
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veins
carry blood back to the heart and have tick muscle walls
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capillaries
have thin leaky walls
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valves
prevent backflow
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white cells
small peices of cells, no nucleaus, fight against germs
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platelets
small pieces of cell no nucleus fight against germs,clot blood
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BMI
body mass squared divied by heigt in meters
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BMI is not accurate
doesnt take into account muscle and if you are pregent
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Kidneys
Regulates the amont of water in body, removes waste from blood, help keep consistancy of body fluids in balence,
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RICE
Rest , Ice, Compression, Elevation
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IVF
In vitro fertilization
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Other cards in this set

Card 2

Front

Colourimetry

Back

A technique used to determine the concentration of coloured solution. A colorimeter is a device used to test the concentration of a solution by measuring its absorbance of a specific wavelength of light.

Card 3

Front

colour marthing

Back

Preview of the front of card 3

Card 4

Front

Vessels

Back

Preview of the front of card 4

Card 5

Front

three types of blood vessels

Back

Preview of the front of card 5
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