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Which term refers to organic compounds needed in small quantities to sustain life?

  1. Urinary tract infection

  2. Vitamins

  3. Varicose veins

  4. Violent behavior

The correct answer is: Vitamins

The term that refers to organic compounds needed in small quantities to sustain life is vitamins. Vitamins are essential nutrients that the body requires to perform a variety of biochemical functions, including metabolism, immune function, and the maintenance of healthy skin and tissues. Each vitamin plays a unique role in bodily functions, and they are typically obtained through a balanced diet that includes fruits, vegetables, grains, and proteins. In contrast, the other terms listed do not denote organic compounds needed for life. A urinary tract infection is a medical condition caused by the infection of the urinary system, varicose veins refer to swollen and twisted veins often caused by poor circulation, and violent behavior describes actions that are aggressive and can harm others. None of these terms relate to the concept of essential nutrients required for sustaining life.