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Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

Did you know?

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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Calcitonin is a naturally occurring hormone. In women who are at least 5 years beyond menopause, it slows bone loss and increases spinal bone density.

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Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The average office desk has 400 times more bacteria on it than a toilet.

Graphic display of hypothetical results of a predator removal experiment. Graphic display of hypothetical results of a predator removal experiment.
Bones of the Face and Skull (Lateral View) Bones of the Face and Skull (Lateral View)
Anterior View of the Heart Anterior View of the Heart
An overall view of the four-cylinder engine that is due for a scheduled valve adjustment according ... An overall view of the four-cylinder engine that is due for a scheduled valve adjustment according ...
Outline of pathways for glucose synthesis from the major gluconeogenic precursors Outline of pathways for glucose synthesis from the major gluconeogenic precursors
Anterior view of thorax and lungs Anterior view of thorax and lungs
Video: Burn Animation

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