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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.

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Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.

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To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Women are 50% to 75% more likely than men to experience an adverse drug reaction.

The anterior pituitary is sometimes called the master gland because it secretes many hormones that r The anterior pituitary is sometimes called the master gland because it secretes many hormones that r
Feedback mechanisms of the thyroid gland. Feedback mechanisms of the thyroid gland.
Thyroid and Antithyroid Drugs Thyroid and Antithyroid Drugs
Hypothalamus and Pituitary Gland Hypothalamus and Pituitary Gland
Thyroid Gland Thyroid Gland
Chewing & Swallowing: Food Processing Begins Chewing & Swallowing: Food Processing Begins
Video: DNA close up Animation

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