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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).
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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.
Checking teeth and other physical examinations are an important part of horse care.
Primary aging means changes in hair color and skin texture for almost everyone.
Cross Section of Skin and Free Nerve Endings
Skin testing. Note the spot labeled H, which is the positive histamine control, and the spot labeled ...
Kaposi's sarcoma on the skin of an AIDS patient.
Biosynthesis pathways from tyrosine to melanin