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Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Did you know?

There are 20 feet of blood vessels in each square inch of human skin.

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Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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Vaccines prevent between 2.5 and 4 million deaths every year.

Female reproductive structure and function in humans. Female reproductive structure and function in humans.
Structure of a DNA polymerase polypeptide that contains a 3'–5' proofread Structure of a DNA polymerase polypeptide that contains a 3'–5' proofread
Structure of the enzyme chymotrypsin, a globular protein Structure of the enzyme chymotrypsin, a globular protein
A water spray bottle is an excellent diagnostic tool to help find an intermittent engine misfire ... A water spray bottle is an excellent diagnostic tool to help find an intermittent engine misfire ...
The structure of a single developed neuron The structure of a single developed neuron
Basic Chemical Structure of Amino Acids Basic Chemical Structure of Amino Acids
Video: What is Reverse Osmosis?

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