TopRq.com

A twin is one of two offspring produced in the same pregnancy. Twins can either be identical (in scientific usage, "monozygotic"), meaning that they develop from one zygote that splits and forms two embryos, or fraternal ("dizygotic") because they develop from two separate eggs that are fertilized by two separate sperm. In contrast, a fetus which develops alone in the womb is called a singleton, and the general term for one offspring of a multiple birth is multiple...

A nightclub (also known simply as a club, discothèque or disco) is an entertainment venue which usually operates late into the night. A nightclub is generally distinguished from bars, pubs or taverns by the inclusion of a dance floor and a DJ booth, where a DJ plays recorded dance, hip hop, rock, reggae and pop music. The music in nightclubs is either live bands or, more commonly, a mix of songs played by a DJ through a powerful PA system...

Undergarments or underwear are clothes worn under other clothes, often next to the skin. They keep outer garments from being soiled by perspiration, urine, vaginal discharge, semen, feces, and other discharges; shape the body; and provide support for parts of it. In cold weather, long underwear sometimes is worn to provide additional warmth. Some undergarments are intended for erotic effect. Special types of undergarments have religious significance...

Physical exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness. It is performed for various reasons including strengthening muscles and the cardiovascular system, honing athletic skills, weight loss or maintenance, as well as for the purpose of enjoyment. Frequent and regular physical exercise boosts the immune system, and helps prevent the "diseases of affluence" such as heart disease, cardiovascular disease, Type 2 diabetes and obesity...