Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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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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Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.
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The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
Approach used to determine the evolutionary relationships among many animal species using molecular
Electron-micrograph of human sperm.
Human hemoglobin variants
The human gustatory system.
A peice of paper has a perimeter of 100 cm and an area of 616cm^2. Find the dimensions
Functional categories of human genes