The renal system actively regulates sodium chloride in the blood within a very narrow range around 9 g/L (0.9% by weight).

Once transplanted, the islets begin to produce insulin, actively regulating the level of glucose in the blood.

Ependymal cells actively regulate neuronal fate specification of adult neural precursors through release of Noggin.

Microglia also actively regulate adult neurogenesis.

These proteins actively regulate cell growth in embryonic and adult tissue.

Some species actively regulate their buoyancy with intracellular lipids to counter sinking.

The government regularly adjusts policies to actively regulate "the supply and prices of healthcare services in the country" in an attempt to keep costs in check.

The developed cooling system was the first description and usage of variable conductance heat pipes to actively regulate heat flow or evaporator temperature.

And the bill preserves the authority of state regulators by immunizing practices that they actively regulate.

The first was when a regulatory agency "actively regulates the particular conduct" complained of in the suit.