Airway
breathing
circulation
Exchange systems help primarily with:
a. balance.
Always wash your face at night and i’m the morning. don’t use product with oil because it will cause build up and clog your pores which creates outbreaks. drink LOTS of water!!
It's important because, you need to a valid source for a health situation. It could cause more than good if you don't know if the health source is not true.
