No one knows for sure why we sleep.
Hair and nails DO NOT continue to grow after a person dies.
The harder you concentrate, the less you blink.
You blink about 6 times a minute while reading.
Human kidneys weigh about 5 oz.
The average person sheds a layer of skin every 28 days (just not in one big piece).
Some studies show that a 30 minute nap each day can reduce the risk of heart attack by 30%.
There is no genetic cause
of left-handedness; it is not an inherited trait. Statistically, a
child is more likely to be left handed if:
right-handed people, left-handed people are:
Baldness is not caused by hair falling out. All hair stops growing and falls out after a period of time. Even if a person does not cut his scalp hair, each hair will only grow to a limited length before falling out. Every person with a full head of hair loses about 100 scalp hairs a day this way. If the hair is not replaced by a new hair growing in the same follicle, then "thinning" hair and eventual baldness result.
The pupil of a person’s eye dilates about 45 percent when the person is viewing something pleasant.
The human brain is pink, not gray.
There are about ten trillion cells in the human body.
The average person’s skin weighs about six pounds.
When a person dies, the
first sense to be lost is sight. Then follow taste, smell and touch.
The last sense lost is hearing.
The soles of your feet and palms of your hands contain more sweat glands than any other part of your body.
Human taste buds are less sensitive at higher altitudes.
A human brain is 80 percent water; it contains a greater proportion of water than does the blood
In 1977, a 13-year-old boy discovered a tooth growing on his left foot.
The gene for six digits is rare, but genetically dominant in humans; if you have the gene, you will have six fingers on each hand.
Your heart does NOT really stop when you sneeze (a sneeze takes much less time than a heartbeat).
Red blood cells contain no nucleus when they mature (although they start with one). They are the only cells in the body without one.
The average person is about a quarter of an inch taller at night.
Your pupils dilate when you see someone you love. They also dilate when you see someone you hate.
Rigor mortis occurs more rapidly if a person is killed in a fight or while under stress.
The typical human body
has 70,000 miles of blood vessels.
One of the symptoms of asthma is improved hearing.
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Generally Useless Facts
Copyright 2003-2016 by Ray Bromley.
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