When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
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Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.
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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.
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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Hydrogen Bonding and the Properties of Water
Properties of Water
Ripples in Water
Transduction of Light by Photoreceptors
The chemical structure of the water molecule
Vision light adaptation & release of the inhibitory neurotransmitter glutamate