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the ability of a liquid to spontaneously rise up a narrow space, such as that found in xylem vessels.
the blood vessel that carries blood from the digestive tract to the liver.
pigments that occur in the brightly coloured, yellow, orange or red parts of the plant, such as...
the destruction of the enamel of a tooth owing to the action of bacteria that live in plaque....
endocrine gland situated on top of each kidney, which produces hormones in response to stresses...