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Did you know?

There are approximately 3 million unintended pregnancies in the United States each year.

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Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

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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.

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The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green). Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green).
BLOOD CELLS BLOOD CELLS
The beautiful blood vessels of the human body The beautiful blood vessels of the human body
Palpable lymph nodes in the head and neck Palpable lymph nodes in the head and neck
The flow of ions through ion channels in myocardial cells. The flow of ions through ion channels in myocardial cells.
Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri Loss of brain cells in a transgenic Huntington-disease mouse. (a) Section of normal mouse-brain stri
Video: Junction Types - Tight and Adherens Junctions

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