water

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beril

Cards (9)

solvent 
substances dissolve in water - minerals, gases, some vitamins
carries 
transport medium - transports substances around the body or plant , e.g. mineral salts are carried in water in plants, in humans blood is 50% water, which is transport medium
chemical reaction 
during digestion of organic molecules, photosynthesis
lubricant 
mucus uses water as a dissolving mechanism
excretion 
waste metabolic substances are dissolved in water
gaseous exchange 
in the lungs for diffusion and in the stoma
reproduction 
all mammals and some plants need water for reproduction and in pregnancy the embryo is protected by amniotic fluid (mainly water)
support 
cytoplasm is made mainly of water, fluid in the eye maintains its shape, plant cell vacuoles contain cell sap to maintain turgidity
temperature control 
plants and animals use water to keep their bodies cool - sweating and transpiration

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water

Cards (9)

1.1 Structure of Water and Hydrogen Bonding

4.1.2 Water Pollution

1.3.3 Water Purification

4.3 Water Security

7.2.3 The Water Cycle

1.6 Nucleic Acids

2.6 Life After Death (Akhirah)

3.2 Life at school/college

10.1 Using the Earth's resources and obtaining potable water

2.3.3 Half-life and Radioactive Decay

4.2 Changing Patterns of Family Life

10.1 Using the Earth's resources and obtaining potable water

5.4 Life in Nazi Germany, 1933–39

6.3.3 Ethnicity and its influence on life outcomes

2.5.3 Détente and the Later Cold War

1.6.3 The Lime Cycle

7.2 Synthetic and naturally occurring polymers

5.1 Defining a Research Topic and Line of Inquiry

7.1 Carbon compounds as fuels and feedstock

7.1 Carbon compounds as fuels and feedstock

3.4 Using concentrations of solutions in mol/dm³