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Author Question: The South held about ____ percent of the slaves in the thirteen colonies of North America. a. 100 ... (Read 80 times) |
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
The immune system needs 9.5 hours of sleep in total darkness to recharge completely.
There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.
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.
Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.