LubricationThe application of a substance to diminish friction between two surfaces. It may refer to oils, greases, and similar substances for the lubrication of medical equipment but it can be used for the application of substances to tissue to reduce friction, such as lotions for skin and vaginal lubricants.
FrictionSurface resistance to the relative motion of one body against the rubbing, sliding, rolling, or flowing of another with which it is in contact.
LubricationThe application of a substance to diminish friction between two surfaces. It may refer to oils, greases, and similar substances for the lubrication of medical equipment but it can be used for the application of substances to tissue to reduce friction, such as lotions for skin and vaginal lubricants.
SkinThe outer covering of the body that protects it from the environment. It is composed of the DERMIS and the EPIDERMIS.
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