Did you know?
The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.
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Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.
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The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.
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Between 1999 and 2012, American adults with high total cholesterol decreased from 18.3% to 12.9%
The frequency of competition according to the number of species involved.
Human Cardiovascular System
human anatomy
Skeletons of a human and an elephant
Staphylococcus aureus cells (yellow) stuck in mucus secreted by human nasal epithelial cells.
Regulatory mutations of the human -globin gene