Examlex
_________ is calculated as the number of working-age people divided by the number of people 65 or older.
Distal Convoluted Tubule
Part of the nephron in the kidney primarily involved in the reabsorption of water and solutes, significantly contributing to the regulation of potassium, sodium, calcium, and pH.
Collecting Duct
A series of tubules and ducts in the kidney that process urine, concentrating it before it moves to the bladder.
Cotransport Molecule
A protein that facilitates the simultaneous transport of two molecules across a cell membrane, typically using the gradient of one to transport the other.
Na+
The chemical symbol for sodium ions, which are essential for various physiological functions, including electrical signaling in neurons and muscle cells, as well as fluid balance in the body.
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