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You are watching your two nephews,ages 7 and 4,play with a ball of clay.Your older nephew is getting very frustrated because even though he is using the same ball of clay,his younger brother thinks that when it is a ball there is less of it than when he rolls it out into a longer shape.What Piagetian concept is your younger nephew lacking the ability to perform?
Bicarbonate Ions
Ions that act as a buffer in maintaining the pH balance in blood and other fluids in the body.
ADH
Antidiuretic hormone, a hormone produced by the pituitary gland that regulates the body's retention of water by increasing the concentration of urine.
Distal Convoluted Tubule
A twisted tubular segment of the nephron in the kidney that functions in the reabsorption of water, sodium, and chloride and the secretion of potassium and hydrogen ions.
Filtrate Volume
The total volume of fluid that has passed through a filter, such as the kidney's glomerular filter, during the process of filtration, which is an initial step in urine formation.
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