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Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

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The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

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In 1844, Charles Goodyear obtained the first patent for a rubber condom.

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The average office desk has 400 times more bacteria on it than a toilet.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

The lymphatic system. Lymphatic vessels, major lymph nodes, and lymphatic organs. The direction of l The lymphatic system. Lymphatic vessels, major lymph nodes, and lymphatic organs. The direction of l
a) Face the direction of your stroke. b) Avoid facing away from your stroke. a) Face the direction of your stroke. b) Avoid facing away from your stroke.
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
Direction: Right-Hand Rule Direction: Right-Hand Rule
Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ... Superficial lymph drainage pathways or watersheds determine the direction of lymphatic facilitation ...
Chilling Effect of a Cold Current Chilling Effect of a Cold Current
Video: Primary Active Transport - electrochemical gradient and ion transport / water movement

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