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Did you know?

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.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

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Sildenafil (Viagra®) has two actions that may be of consequence in patients with heart disease. It can lower the blood pressure, and it can interact with nitrates. It should never be used in patients who are taking nitrates.

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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Tracking atoms through photosynthesis. Tracking atoms through photosynthesis.
The uterus. Cutaway view shows regions of the uterus and cervix and its relationship to the uterine The uterus. Cutaway view shows regions of the uterus and cervix and its relationship to the uterine
Jacob van Ruisdael, View of Haarlem from the Dunes at Overveen. Jacob van Ruisdael, View of Haarlem from the Dunes at Overveen.
The Kidney with an Expanded View of the Nephron The Kidney with an Expanded View of the Nephron
Inferior view of skull Inferior view of skull
Superior view of transverse section through eyeballs and brain Superior view of transverse section through eyeballs and brain
Video: Wound Care

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