Examlex
The antebellum Deep South created a three-caste system similar to that of what other region that practiced slavery?
Nephrons
The functional units of the kidney, responsible for filtering blood and producing urine.
Urea
A waste product formed in the liver, broken down from proteins, and excreted in urine.
ADH
Antidiuretic hormone, involved in regulating water balance in the body by increasing the concentration of water in the blood.
Collecting Duct
A tube-like structure in the kidney nephrons responsible for the final modification of urine and its concentration by reabsorbing water.
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