Why human body turns red when exposed to cold water espically swimming tank water what is to be done to eliminate it?

The circulation of blood through the human body is ... because it carries richly oxygenated red cells. Arter- ... turn channel blood into the larger veins and back ... especially good for obese people or those with dia- betes .... factors, including exposure to cold or certain medi- ... q Wash feet gently each day in lukewarm water ...