Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
Did you know?
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
Did you know?
In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
General structure of a plant cell
Historical Time Line of Regulatory Acts, Standards, and Organizations
Greet a First-Time Client With a Firm Handshake.
The induced conformational change in hexokinase
plant structure
Structure and function of the gills of a bony fish.