Did you know?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
Did you know?
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.
Two mechanisms that affect cell shape and movement.
Examples of four different types of cells from the body. Although each cell has a cell membrane, nuc
The Black Death spread over much of Europe in a three-year period in the middle of the fourteenth ce
Eighteen-year-olds were the largest age cohort in the first year of the war in both armies. Soldiers
The hatred and vengeance of adults become the children’s heritage. The headband of this 4-year-old ...
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