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Did you know?

There are 60,000 miles of blood vessels in every adult human.

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

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Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

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Everyone has one nostril that is larger than the other.

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All patients with hyperparathyroidism will develop osteoporosis. The parathyroid glands maintain blood calcium within the normal range. All patients with this disease will continue to lose calcium from their bones every day, and there is no way to prevent the development of osteoporosis as a result.

The dorsal (red) and ventral (blue) body cavities. The dorsal (red) and ventral (blue) body cavities.
This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ... This girl’s photo illustrates the main features of fetal alcohol syndrome, including a flat nasal ...
Recent research suggests that zinc lozenges and nasal gels may help reduce the severity Recent research suggests that zinc lozenges and nasal gels may help reduce the severity
Using the nasal speculum Using the nasal speculum
An agarose gel containing separated DNA fragments stained with the DNA-binding dye An agarose gel containing separated DNA fragments stained with the DNA-binding dye
Staphylococcus aureus cells (yellow) stuck in mucus secreted by human nasal epithelial cells. Staphylococcus aureus cells (yellow) stuck in mucus secreted by human nasal epithelial cells.
Video: Pressure Flow Model Animation

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