The best way to take care of your skin is to wear sunscreen at all times, stay out of the sun, hydrate adequately, wash the face daily and use toner and moisturizer. If acne is present, do not touch it and let it go away on its own.
The nervous system is comprised of two major subdivisions, the central nervous system (CNS) and the peripheral nervous system (PNS).
The digestive system helps process the food you have eaten in your body so then it can come out.
The Institute of Medicine recommends 13 (3 liters) cups of water (and other beverages) each day for men and 9 (2.2 liters) cups of water (and other beverages) each day for women.
