The biome in which polar bears are found is very cold.
The kidneys maintain our body's water balance by controlling the water concentration of blood plasma. The kidneys also control salt levels and the excretion of urea. Water that is not put back into the blood is excreted in our urine.
The answer would be : his or her fat tissue is likely to have bigger fat cells, and more of them
Someone who suffer from hyperplasia will experience an increase in the reproduction rate of their cells. This increase will cause an enlargement on their organ or tissue.
