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the cone-shaped region of the renal medulla, made up of the loops of Henlé and the collecting tubules of nephrons.
a lateral meristem in the vascular tissue of plants. The vascular cambium is the source of both...
pressure due to turgid (inflated) cells.
the volume of air that is inhaled and exhaled during normal breathing.
a black substance that coats the lungs of a smoker, causing cancer of the respiratory tract.
a connected network of vessels and glands, which carry lymph throughout the body.