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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.
Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.
The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.
According to the FDA, adverse drug events harmed or killed approximately 1,200,000 people in the United States in the year 2015.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
![Lymphatic vessels (green) pick up excess tissue fluid, purify it in lymph nodes, and return it to th](https://biology-forums.com/gallery/47/medium_14755_10_09_12_7_17_45_85032206.jpeg)
![Lymphatic vessels pick up excess tissue fluid, purify it in the lymph nodes, and then return it to t](https://biology-forums.com/gallery/47/medium_14755_01_10_12_7_59_21_92301561.jpeg)