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Properties of water
Universal solvent
Surface tension
Cohesion
Adhesion
High heat capacity
Low density at solid state
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Universal solvent
Water is a common solvent for most biochemical reactions.
For example
water dissolves sugar
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Surface tension
Surface of water allows to resist to external force
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Cohesion
sticking of water molecules to each other
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Adhesion
sticking of water molecules to another (not water) molecules
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Heat capacity
high heat capacity water regulates body temperature.