Here is the top 50 interesting facts about human body : -
2- The spice nutmeg is harmless if eaten in moderation, but deadly poisonous if injected. Beware!
3- Your stomach lining replaces itself every three days.
6- If you read a novel that’s 100,000 words long (about 300 pages) your eyes will travel just under 1 kilometer (more than half a mile) along the pages.
7- There have been many cases of people spontaneously bursting into flames and dying. Often, their whole body is burned away. No one knows exactly why this spontaneous human combustion happens. What a way to go!
8-Your eyes take about an hour to get accustomed to the dark, but after that they are 100,000 times as sensitive to light as they are in bright sunlight.
9-There is enough acid in the human digestive system to dissolve an iron nail completely.
10-Your skin is shed and regrown about every 27 days. Most people get through around 1,000 skins in a lifetime.
11-Your body destroys or loses two and a half million red blood cells every second. Luckily, it creates more at the same rate!
12-Beard hair grows faster than any other hair on the human body. If left to grow for his whole life, a man’s beard could be 9 meters (30 feet) long.
13-There is enough iron in your body to make a nail...which you could then dissolve in all the acid!
14-Women blink twice as often as men.
15-The placenta, which nourishes an unborn baby, is the only organ that develops after a person is fully grown. It is lost when the baby is born and another grows if the woman becomes pregnant again.
16-One in 512,000 births results in triplets.
17-Only a few hundred people in the world are known to have the rare blood type H-H. A person with H-H blood can’t receive blood transfusions of any other blood type and may need to store their own blood in advance of an operation.
18-When you hold a seashell to your ear to ‘hear the sea’, what you actually hear is your own blood in the blood vessels of your ear
19-People who have lost a limb in an accident or operation often feel pain or itching in it, even though it’s no
longer there...
20-If you could join up all the eyelashes you will lose during your lifetime they would stretch to about 30 meters (100 feet).
21-Hair grows most quickly during the day in the summertime. It grows more slowly at night and in winter.
22-For years, doctors thought the appendix in the gut didn't do anything. But in 2007, scientists discovered that it helps to grow new helpful bacteria if vital bacteria in the gut are killed by illness.
23-If all the blood vessels from a human body were laid end to end they would stretch 97,000 kilometers (60,000 miles).
24-A single human hair can support the weight of an apple.
25-You lose around two billion skin cells every day, which adds up to around 2 kilograms (4.5 pounds) in a year.
26-Everyone spent about half an hour of their life as a single cell, at the start of their mother’s pregnancy.
27-A chemical found in asparagus attracts fish. During the First World War,American soldiers were issued with asparagus so that if they were stranded near water they could eat the asparagus, urinate in the water and catch some fish to eat!
28-If you rubbed garlic on the bottom of your foot, it would be absorbed through your skin and eventually your breath would smell of garlic!
29-Laughing seems to reduce a person’s allergic responses. So if you have hay fever, try laughing about it!
30-Around 10 per cent of the population is left-handed, but boys are one and a half times more likely to be left-handed than girls.
31-The bad smell of farces comes from chemicals produced by bacteria that break down the food in your gut.
32-Your brain gets lighter as you get older. In your twenties, it starts to lose up to a gram (0.035 ounces) a year as cells die and are not replaced.
33-Girls have more taste buds than boys.
34-Even though some dreams seem to last ages while you are experiencing them, they generally only take about 2-3 seconds. Most people have at least seven dreams a night.
35-Most people spend about the same amount of time blinking as they spend eating – a total of about five years over a whole lifetime.
36-The world record for holding your breath is 7.5 minutes. Most people can only manage around 1 minute.
37-The heat output from the average adult body is enough to boil 30 liters (around 53 pints) of freezing water
38-If all of your body’s molecules of DNA (the chemical which makes up your genes) were stretched out, they would reach to the Moon and back 3,000 times!
39-The hair of really intelligent people contains larger quantities of the minerals copper and zinc than the hair of less clever people.
40-It is impossible to sneeze with your eyes open.
41-When you sneeze, all of your bodily functions stop momentarily.
42-An average person falls asleep in seven minutes.
43-If you have your head cut off, you may remain conscious and able to see for several seconds
44-Being cold in the night tends to give you bad dreams.The colder the room, the more likely you are to have a bad dream.Wrap up warm tonight!
before you die.
45-About 125 grams (5 ounces) of the food you eat each day comes out as farces. Most of the rest is water, and the remainder is nutrients absorbed by your body.
46-In the 1930s, it was not uncommon for women to swallow live tapeworms in an attempt to lose weight. The tapeworms would live in their stomachs, eating some of the food the women ate.
47-Your fingernails grow four times faster than your toenails.
48-It only takes about 10 days to die from a total lack of sleep.
49-People who live at very high altitudes have blood in their bodies that can deliver oxygen around the body much more efficiently than the blood of sea-level dwellers.
50-Dripping concentrated chili oil into open wounds during surgery numbs the nerves for weeks and prevents patients feeling pain after an operation.
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