Did you know?

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

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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

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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

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The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

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