When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.
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The first oncogene was discovered in 1970 and was termed SRC (pronounced "SARK").
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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The human body produces and destroys 15 million blood cells every second.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
Example of an Explanation of Benefits statement.
True Dover Sole
Animated The one-way flow of energy and cycling of materials in the world of life
Animated! Organisms are classified into groups according to their characteristics
Animated Light-independent reactions in CAM plants.