Wiktionary (0.00 / 0 votes) Rate this definition: electromagnetic spectrum (Noun). The entire range of wavelengths of all known electromagnetic radiations extending from gamma rays through visible light, infrared, and radio waves, to X-rays.
Excessive alcohol can damage the immune system because the alcohol will prevent nutrients from feeding your immune system. The alcohol is absorbed into your bloodstream through your stomach. Once in the bloodstream, alcohol will reduce the white blood cell count in the body.
CENTRAL NERVOUS SYSTEM. Alcohol is a depressant of the CNS, meaning it slows activity down. Many people think that alcohol is a pick-me-up experience because, initially, when people begin to drink, it causes them to become more animated and less reserved. But the opposite occurs as they continue to drink and more alcohol enters the brain.