People in cold countries get very less/no sweat. What changes occur in their skin and in other excretory organs ?

Explanation

1) Regulation of body temperature is one of the functions of skin .
2) To maintain the body temperature, skin produces sweat.
3 ) In cold countries environment is very cool. So there is no productron of sweat.
4 ) In these conditions there will be more pressure on other excretory organs.