Pages in this set

Page 1

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A Abdomen The lower region of the
body. In humans it contains the digestive organs, kidneys, etc. Accuracy An accurate

Page 2

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measurement is close to the true value. Acid A substance that produces
hydrogen ions when it dissolves in water. Acid rain Rain that is acidic due to dissolved gases, such as
sulphur dioxide, produced by the burning of fossil fuels. Activation energy The minimum amount of energy
needed for a…

Page 3

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Blood The liquid which is pumped
around the body by the heart. It contains blood cells, dissolved food, oxygen, waste products, mineral
ions, hormones and other substances needed in the body or needing to be removed from the body. Blood
plasma The clear yellow
liquid part of the blood which…

Page 4

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Glossary
another variable. You can only be reasonably certain of this when you have valid and reliable evidence.

Page 5

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E.g. increasing light intensity causes an increase in the rate of photosynthesis. Cell membrane The
membrane
around the contents of a cell which controls what moves in and out of the cell. Central nervous system
(CNS)
The central nervous system made up of the brain and spinal cord where information…

Page 6

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that you are measuring as a result of changing the independent variable, e.g. the volume of CO
2 produced. Detritus feeders See
decomposers. Diabetes A condition in which it
becomes difficult or impossible for your body to to control the levels of sugar in your blood. Dialysis The
process of…

Page 7

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Double circulation The separate
circulation of the blood from the heart to the lungs and then back to the heart and on to the body. E E

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Pages in this set

Page 1

Preview of page 1
A Abdomen The lower region of the
body. In humans it contains the digestive organs, kidneys, etc. Accuracy An accurate

Page 2

Preview of page 2
measurement is close to the true value. Acid A substance that produces
hydrogen ions when it dissolves in water. Acid rain Rain that is acidic due to dissolved gases, such as
sulphur dioxide, produced by the burning of fossil fuels. Activation energy The minimum amount of energy
needed for a…

Page 3

Preview of page 3
Blood The liquid which is pumped
around the body by the heart. It contains blood cells, dissolved food, oxygen, waste products, mineral
ions, hormones and other substances needed in the body or needing to be removed from the body. Blood
plasma The clear yellow
liquid part of the blood which…

Page 4

Preview of page 4
Glossary
another variable. You can only be reasonably certain of this when you have valid and reliable evidence.

Page 5

Preview of page 5
E.g. increasing light intensity causes an increase in the rate of photosynthesis. Cell membrane The
membrane
around the contents of a cell which controls what moves in and out of the cell. Central nervous system
(CNS)
The central nervous system made up of the brain and spinal cord where information…

Page 6

Preview of page 6
that you are measuring as a result of changing the independent variable, e.g. the volume of CO
2 produced. Detritus feeders See
decomposers. Diabetes A condition in which it
becomes difficult or impossible for your body to to control the levels of sugar in your blood. Dialysis The
process of…

Page 7

Preview of page 7
Double circulation The separate
circulation of the blood from the heart to the lungs and then back to the heart and on to the body. E E

Comments

No comments have yet been made