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region of the kidney into which urine is discharged from the collecting ducts of the nephrons, before being passed into the ureter.
a hormone produced by the adrenal glands which helps to maintain the balance of sodium in the...
an organic compound that always contains the elements carbon, hydrogen, oxygen and nitrogen and...
energy resources (coal, crude oil and natural gas) derived from the fossilised remains of plants...
the cone-shaped region of the renal medulla, made up of the loops of Henlé and the collecting...