Some people take part in non-sexual public nude events.
These may be in a naturist resort or club or at a nude beach.
Arousal is most evidently indicated by the sex organs and women's breasts, which are routinely covered, even when other parts of the body may be freely uncovered.
Yet the nudity taboo may have meanings deeper than the immediate possibility of sexual arousal, for example, in the cumulative weight of tradition and habit.
A society's attitude to public nudity varies depending on the culture, time, location and context of an activity.
There are many exceptions and particular circumstances in which nudity is tolerated, accepted or even encouraged in public spaces.
In some situations, a minimum amount of clothing or none at all may be considered socially acceptable, while in others much more clothing may be expected.
In general and across cultures, public indications of sexual arousal are commonly regarded as embarrassing, both to the person aroused and the onlooker, and for this reason those parts of the human body that would indicate arousal are normally covered.
wearing a bikini at a non-nude beach), terms such as nudity, partial or otherwise, are not normally used.
If however, the degree of exposure exceeds the cultural norms of the setting, or if the activity or setting includes nudity as an understood part of its function, such as a nude beach, terminology relating to nudity and degrees thereof are typically used.
Hair probably evolved in mammals before about 220 million years ago.
The closest genetic relatives of humans, apes and especially chimpanzees, possess an almost complete covering of fur.