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.
(The major body systems affected by alcohol are the digestive, central nervous, cardiovascular, and endocrine systems. Alcohol does not digest in the stomach like most foods or liquids; it goes straight into your bloodstream. Alcohol affects every body system and many organs as it travels in your blood.).