Kidney yin moistens and nourishes, while kidney yang provides warmth and promotes organs and tissue. The foundation of yin fluid that nourishes and moistens the body is kidney yin. Saliva moistens the food and begins the digestive process. The longer nose is an adaptation that heats and moistens inhaled air in higher latitudes. In addition, pearly penile papules secrete oil that moistens the glans of the penis. It moistens the clay plug to soften it before emerging into the open. When the square receptacle sees the moon, it moistens and produces water. When he moistens the ball, the sanitary commission goes into hysterics.