Facts about Human body
A human being loses an average of 40 to 100 strands of hair a day. Every time you lick a stamp, you're consuming 1/10 of a calorie. A fetus acquires fingerprints at the age of three months. A sneeze can exceed the speed of 100 mph. Every person has a unique tongue print. 98.6% DNAs of a monkey are exactly same as those of human beings. According to German researchers, the risk of heart attack is higher on Monday than any other day of the week. After spending hours working at a computer display, look at a blank piece of white paper. It will probably appear pink. An average human drinks about 16,000 gallons of water in a lifetime. A fingernail or toenail takes about 6 months to grow from base to tip. An average human scalp has 100,000 hairs. It takes 17 muscles to smile but 43 to frown. Babies are born with 300 bones, but by adulthood we have only 206 in our bodies. Beards are the fastest growing hairs on the human body. If the average man never trimmed his beard, it would grow to nearly 30 feet long in his lifetime. By age sixty, most people have lost half of their taste buds. By the time you turn 70, your heart will have beat some two-and-a-half billion times (figuring on an average of 70 beats per minute.) Every human spent about half an hour as a single cell. Every person has a unique tongue print. Every square inch of the human body has an average of 32 million bacteria on it. Did you ever notice that your fingernails grow faster than toenails? Humans shed about 600,000 particles of skin every hour - about 1.5 pounds a year. By 70 years of age, an average person will have lost 105 pounds of skin. 50,000 of the cells in your body will die and be replaced with new cells, all while you have been reading this sentence! In one hour, your heart works hard enough to produce the equivalent energy to raise almost 1 ton of weight 1 yard off the ground. Scientists have counted over 500 different liver functions. In 1 square inch of skin there lies 4 yards of nerve fibers, 1300 nerve cells, 100 sweat glands, 3 million cells, and 3 yards of blood vessels. The structural plan of a whale's, a dog's, a bird's and a man's 'arm' are exactly the same. The world's first test-tube twins were born in June 1981. In a year, a person`s heart beats 40,000,000 times. Most people blink about 25 times a minute. Each square inch of human skin consists of twenty feet of :blood vessels. : :Nerve impulses to and from the brain travel as fast as 170 :miles per hour. Your stomach has to produce a new layer of mucus every two weeks otherwise it will digest itself. Your left lung is smaller than your right lung to make room for :your heart. You use an average of 43 muscles for a frown. You use an average of 17 muscles for a smile. Every two thousand frowns creates one wrinkle. The average human produces a quart of saliva a day or 10,000 gallons in a lifetime. Every person has a unique tongue print. The average human's heart will beat 3,000 million times in their lifetime. The average human will pump 48 million gallons of blood in their lifetime. You burn 26 calories in a one-minute kiss. (Nice way to reduce calories.) The average human body contains enough:- Sulphur to kill all fleas on an average dog, Carbon to make 900 pencils, Potassium to fire a toy cannon, Fat to make 7 bars of soap, Phosphorus to make 2,200 matchheads, and enough Water to fill a ten-gallon tank. Among the first known "dentists" of the world were the Etruscans. In 700 BC they carved false teeth from the teeth of various mammals and produced partial bridgework good enough to eat with. Ophthalmic surgery was one of the most advanced areas of medicine in the ancient world. Detailed descriptions of delicate cataract surgery with sophisticated needle syringes is contained in the medical writings of Celsus (A.D.14-37) A sneeze zooms out of your mouth at over 100 m.p.h. If you were freeze-dried, 10% of your body weight would be from :the microorganisms on your body. According to the World Health Organization, there are :approximately 100 million acts of sexual intercourse each day. Your ears and nose continue to grow throughout your entire life. : When you eat meat and drink milk in the same meal, your body does not absorb any of the milk's calcium. It is best to have 2 hours between the milk and meat intake. Only humans and horses have hymens. The tooth is the only part of the human body that can't repair itself. Every human spent about half an hour as a single cell. One human brain generates more electrical impulses in a single day than all of the world's telephones put together. Human body has a whole pharmacy within us. It can create any drug inside us. Between 200 and 400 million sperm are present in a single ejaculation. Our bodies are recreating themselves constantly - we ,make a skeleton every 3 months, new skin every month. We are capable of reversing the Aging Process!! The average human brain has about 100 billion nerve cells. Nerve impulses to and from the brain travel as fast as 170 miles (274 km) per hour. The thyroid cartilage is more commonly known as the adams apple. The only jointless bone in your body is the hyoid bone in your throat It's impossible to sneeze with your eyes open. Your stomach needs to produce a new layer of mucus every two weeks or it would digest itself. It takes the interaction of 72 different muscles to produce human speech. The average life of a taste bud is 10 days. The average cough comes out of your mouth at 60 miles (96.5 km) per hour. Relative to size, the strongest muscle in the body is the tongue. Human thigh bones are stronger than concrete. When you sneeze, all your bodily functions stop even your heart. Babies are born without knee caps. They don't appear until the child reaches 2-6 years of age. Children grow faster in the springtime. It takes the stomach an hour to break down cow milk. Women blink nearly twice as much as men do. Blondes have more hair than dark-haired people do. There are 10 human body parts that are only 3 letters long i.e. eye, hip, arm, leg, ear, toe, jaw, rib, lip, gum. If you go blind in one eye you only lose about one fifth of your vision but all your sense of depth. The average human head weighs about 8 pounds. Our eyes are always the same size from birth, but our nose and ears never stop growing. In the average lifetime, a person will walk the equivalent of 5 times around the equator. An average human scalp has 100,000 hairs. The length of the finger dictates how fast the fingernail grows. Therefore, the nail on your middle finger grows the fastest, and on average, your toenails grow twice as slow as your fingernails. The average human blinks their eyes 6,205,000 times each year. The entire length of all the eyelashes shed by a human in their life is over 98 feet (30 m). Your skull is made up of 29 different bones. Your ears and nose continue to grow throughout your entire life. After you die, your body starts to dry out creating the illusion that your hair and nails are still growing after death. Hair is made from the same substance as fingernails. The average surface of the human intestine is 656 square feet (200 m). A healthy adult can draw in about 200 to 300 cubic inches (3.3 to 4.9 liters) of air at a single breath, but at rest only about 5% of this volume is used. The surface of the human skin is 6.5 square feet (2m). The pancreas produces Insulin. The most sensitive cluster of nerves is at the base of the spine. The human body is comprised of 80% water. The average human will shed 40 pounds of skin in a lifetime. Every year about 98% of the atoms in your body are replaced. The human heart creates enough pressure to squirt blood 30 feet (9 m). You were born with 300 bones. When you get to be an adult, you have 206. Human thighbones are stronger than concrete. Every human spent about half an hour as a single cell. There are 45 miles (72 km) of nerves in the skin of a human being. The average human heart will beat 3,000 million times in its lifetime and pump 48 million gallons of blood. Each square inch (2.5 cm) of human skin consists of 20 feet (6 m) of blood vessels. During a 24-hour period, the average human will breathe 23,040 times. Human blood travels 60,000 miles (96,540 km) per day on its journey through the body. |
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