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the process whereby useful molecules, such as glucose and amino acids, as well as water and salts, are selectively re-absorbed from the filtrate in the nephron tubules into the blood capillaries.
in plants: the structure within a seed that will develop into the new plant.
pollutant gases such as nitrogen monoxide and nitrogen dioxide. They are produced during ...
a blind-ending lymphatic capillary found inside each villus for the absorption of the end...
an allergic reaction that triggers the immune system causing constriction and inflammation of...