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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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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.

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More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

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Essential fatty acids have been shown to be effective against ulcers, asthma, dental cavities, and skin disorders such as acne.

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The U.S. Pharmacopeia Medication Errors Reporting Program states that approximately 50% of all medication errors involve insulin.

Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l Gastric cancer. In advanced stages of gastric cancer, malignant cells spread to form tumors in the l
Squeezing the Indians Economically, 1850–1893 Squeezing the Indians Economically, 1850–1893
Countries of Origin of Asian Americans Countries of Origin of Asian Americans
Tourism Tourism
Stable isotopes of carbon Stable isotopes of carbon
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Video: Introduction to Breast Cancer

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