It depends on which excretory system you are talking about.Sweat Glands and pores are kept healthy with two things. #1 Daily bathing. There is so much pollution these days that you need to wash it...
1. Do not smoke cigarettes. 2. Exercise daily to the point of being out of breath.3. Try holding your breath as long as possible to expand your lungs -do this every 1-5 hours-
