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Author Question: The hypothetical neural mechanism in humans that continuously assesses patterns of events and tries ... (Read 11 times) |
Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.
As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.
Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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.
There are more bacteria in your mouth than there are people in the world.