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Author Question: An emulsion is a dispersion of a solid in a liquid, whereas a foam is a dispersion of a gas in a ... (Read 38 times) |
More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.
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.
People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.
Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.