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Did you know?

Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

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A headache when you wake up in the morning is indicative of sinusitis. Other symptoms of sinusitis can include fever, weakness, tiredness, a cough that may be more severe at night, and a runny nose or nasal congestion.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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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.

Examples of structures in which extensive surface area is important for function. Examples of structures in which extensive surface area is important for function.
Male (Bull) Roosevelt Elk at Northwest Trek, Washington, USA Male (Bull) Roosevelt Elk at Northwest Trek, Washington, USA
Male Asiatic Lion after a recent fight Male Asiatic Lion after a recent fight
Important Motor Regions of the Human Brain Important Motor Regions of the Human Brain
Drugs Interacting with Antidiuretic Hormone Drugs Interacting with Antidiuretic Hormone
Video: What is Reverse Osmosis?

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