The human bladder is made of muscle, and because it can relax, pressures inside the bladder remain fairly low until it holds around 300 ccs (there are about 350 ccs in a 12-ounce can).
Following contraction, the ventricles relax, and pressure within them falls.
"If I've learned one thing, it's the ability to relax under pressure," he said.
"The international community must not be tempted to relax the pressure on Iran to stop its nuclear [programme].
Globalisation will not relax its pressure on Europe's managers.The second force for freer markets is, paradoxically enough, the Eurosceptics' worst nightmare: the single currency.
They give international fence-sitters an excuse to relax the pressure.
You can let your friends relax without pressure.
As muscles relax, blood pressure begins to drop, she said.
The third, fourth and fifth stages are when deeper sleep takes place -- when muscles relax, blood pressure drops, breathing slows, and increased tissue growth and repair occurs.
Xing and Lee [26] found that alternative splicing could greatly relax selection pressure (measured as dN/dS).
