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Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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Individuals are never “cured” of addictions. Instead, they learn how to manage their disease to lead healthy, balanced lives.

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

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Vessels composed of vessel elements in xylem tissue. Vessels composed of vessel elements in xylem tissue.
Varicosis. (a) Varicose veins develop due to the failure of valves in the superficial veins of the l Varicosis. (a) Varicose veins develop due to the failure of valves in the superficial veins of the l
Mosquito drinking blood Mosquito drinking blood
Red Blood Cells Red Blood Cells
Warfarin An anticoagulant drug given to prevent blood from clotting Warfarin An anticoagulant drug given to prevent blood from clotting
Blood Flow to the Brain Blood Flow to the Brain
Video: Facilitated Diffusion - Glucose transport

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