If warm blooded animals can not change their temperature according to the atmospheric temperature (humans are also warm blooded animals ) then , when people enter a swimming pool intially they feel it to be cool but later they feel it to be hot .why?

If warm blooded animals can not change their temperature according to

1.	If warm blooded animals can not change their temperature according to the atmospheric temperature (humans are also warm blooded animals ) then , when people enter a swimming pool intially they feel it to be cool but later they feel it to be hot .why?
Answer» If warm blooded animals can not change their temperature according to the atmospheric temperature (humans are also warm blooded animals ) then , when people enter a swimming pool intially they feel it to be cool but later they feel it to be hot .why?