The Incredible Human Body

Discussion in 'Gup Shup Corner' at Pakistan.web.pk started by Falak, Oct 6, 2018.

  1. Falak
    11

    Falak Star Pakistani

    The Incredible Human Body


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    The human body is defined as the entire structure of a human being and comprises a head, neck, trunk (which includes the thorax and abdomen), arms and hands, legs and feet.
    Every part of the body is composed of various types of cells, the fundamental unit of life. The study of the human body involves both a) anatomy and b) physiology.

    Human anatomy is defined as the primarily scientific study of the morphology of the human body.

    Human physiology is defined as the science of the mechanical, physical, bio-electrical, and biochemical functions of humans in good health, their organs, and the cells of which they are composed.

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  2. Falak
    11

    Falak Star Pakistani

    Human Ears and Hearing Facts:

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    Earwax production is necessary for good ear health.

    The inner ear is the main organ of balance.

    A human ear contains about 24,000 fibers in it.

    It only takes 7 pounds of pressure to rip your ear off.

    The human ear can distinguish between hundreds of thousands of different sounds.

    The human ears can hear in the frequency of 1,000 to 50,000 hertz.

    Your ears never stop hearing, even when you sleep. Your brain just ignores incoming sounds.

    Tiny hair cells in your inner ear are what translates sound waves to electricity to send to the brain.

    Your ears are responsible for the equilibrium and balance of the body - the inner ear has direct connection with the brain.

    The inner ear is no larger than a pencil eraser in circumference.

    The middle ear is composed of three small bones, and one among them, the stapes, is the smallest bone in the human body.

    The wax present inside the ear is made up of oil and sweat.

    Children have more sensitive ears than adults.

    The ears never stop growing through lifetime.

    Your ears secrete more ear wax when you are afraid than when you aren't.

    Sound that is above 130 decibels can cause pain to our ears.

    After eating too much, your hearing is less sharp.

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  3. Falak
    11

    Falak Star Pakistani

    Human Nose and Smelling Facts:


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    Our nose is our personal air-conditioning system: it warms cold air, cools hot air and filters impurities.


    Your nose can remember 50,000 different scents.


    The nerve cells present in the nose, allows us to smell and regenerates through out ones life.


    We breathe 13 pints of air every minute.


    Your eyes are always the same size from birth but your nose and ears never stop growing.


    Children have better sense of smell than adults.


    You breathe in about 7 quarts of air every minute.


    Women have better sense of smell than men.


    You have no sense of smell when you're sleeping.


    You can only smell 1/20th as well as a dog.


    The human sense of smell has the ability to identify the chemical smell of an object in one part per trillion of air.


    If human sense of smell is affected, sense of taste is also affected as the brain interprets signals from the nose and tongue.


    Everyone has a completely unique smell (except for twins).


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  4. Falak
    11

    Falak Star Pakistani

    Sleep and Dreaming Facts:


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    You have no sense of smell when you're sleeping.


    You burn more calories while sleeping than you do when watching television.


    Sleeping less than 7 hours each night reduces your life expectancy.


    The colder the room you sleep in, the better the chances are that you'll have a bad dream.


    Babies start dreaming even before they're born.


    The three things pregnant women dream most of during their first trimester are frogs, worms and potted plants.


    Scientists say the higher your I.Q. the more you dream.


    You can go without eating for weeks without succumbing, but eleven days is tops for going without sleep.


    In a year on an average person sleeps for 122 days out of 365 days.


    When we go to sleep and enter REM (Rapid Eye Movement),our bodies become completely paralyzed as areas of the brain that control movement are de-activated.


    An average person has over 1,460 dreams a year which is about 4 dreams every night.


    The average person falls asleep in seven minutes.


    By 60 years of age, 60% of men and 40% of women will snore.


    The human body releases growth hormones during sleep.

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  5. Mishaikh
    6

    Mishaikh Popular Pakistani I Love Reading

    Thanks for such an informative articke.
    @Falak
     
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  6. Falak
    11

    Falak Star Pakistani

    Human Teeth Facts:



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    Your teeth start growing 6 months before you are born.


    The Romans used to clean and whiten their teeth with urine.


    Brushing your teeth regularly has been shown to prevent heart disease.


    The tooth is the only part of the human body that cannot heal and repair by its own.


    Enamel, found on our teeth, is the hardest substance in the human body.


    Human teeth are almost as hard as rocks.


    Plaque begins to form 6 hours after brushing our teeth.


    Tooth decay has led to 60 percent of adult Americans losing their upper right, middle molar.

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  7. Falak
    11

    Falak Star Pakistani

  8. Falak
    11

    Falak Star Pakistani

    Human Brain Facts:

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    80% of the brain is water.

    An average adult male brain weighs about 1375 grams.

    A neglected child brain can be substantially smaller than that of a healthy child.

    A condition called synesthesia can cause senses to overlap. In other words, some people can taste words or hear colors.

    The right side of the human brain is responsible for self-recognition.

    Any damage to brain cells cannot be repaired completely.

    The base of the spinal cord has a cluster of nerves, which are most sensitive.

    The brain continues to send out electric wave signals until approximately 37 hours after death.

    The brain is much more active at night than during the day.

    The brain itself cannot feel pain.

    The brain operates on the same amount of power as 10-watt light bulb. Your brain generates as much energy as a small light bulb even when you're sleeping.

    As we get older, the brain loses almost one gram per year.

    Only four percent of the brains cells work and the remaining cells are kept in reserve.

    Our Brain has over 100 billion nerve cells.

    The adult human brain is about 2% of total body weight.

    Men listen with the left side of the brain and women use both sides of the brain.

    The average human brain weighs about 3 pounds.

    The human brain can read up to 1,000 words per minute.

    The human brain cell can hold 5 times as much information as the Encyclopedia Britannica. Or any other encyclopedia for that matter.

    The Human brain constitutes 60% of white matter and 40% of grey matter.

    The human brain is capable of creating more ideas equivalent to that of the atoms of the universe.

    The human brain is made up of more than 10 billion nerve cells and over 50 billion other cells and weighs less than three pounds.

    The Human brain is the most powerful computer which has the processing speed of 3000+ Ghz

    The human brain is very soft like butter.

    The Human brain stops growing at the age of 18.

    The human Brain uses 20% of our body energy and makes up only 2% of our body weight.

    If you spread it out, your brain would be about the size of a pillowcase.

    When we touch something, we send a message to our brain at 124 mph.

    Cold weather improves human memory and concentration.

    The width of an average human brain is 140 mm.

    The total surface area of the human brain is about 25,000 square cms.

    The weight of human cerebellum is 150g.

    In a lifetime, your brain's long-term memory can hold as many as 1 quadrillion (1 million billion) separate bits of information.

    Information travels at different speeds within different types of neurons.

    It is estimated that there are over 1, 000,000,000,000,000 connections in the human brain.

    Nerve impulses to and from the brain travel as fast as 170 miles per hour.

    Neurons continue to grow throughout human life.

    On an average the weight of an adult female brain is about 1275 grams.

    On an average, 100,000 to 1,000,000 chemical reactions takes place in our brain.

    The average human head weighs about 10 pounds.

    The average length of the human brain is about 167 mm and its average height is 93mm.

    The left side of human brain controls the right side of the body and the right side of the brain controls the left side of the body.

    The Nervous system transmits messages to the brain at the speed of 180 miles per hour.

    When in love, the brain releases the same cocktail of neurotransmitters and hormones that are released by amphetamines, leading to increased heart rate, loss of appetite and sleep, and intense feelings of excitement.

    Your brain uses about 20% of your oxygen and caloric intake.

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  9. Falak
    11

    Falak Star Pakistani

    Human Bones, Joints and Muscles Facts:


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    Your bones are composed of 31% water.

    Your bones, pound for pound, are 4 times stronger than concrete.

    A muscle called the diaphragm controls the human breathing process.

    Bone is stronger than some steel.

    Bones make up only 14% of our weight.

    At birth we have over 300 bones. As we grow up, some of the bones begin to fuse together as a result an adult has only 206 bones.

    The muscles of our body constitute 40% of our body weight.

    The muscles of the eye move more than 100,000 times a day.

    The muscles that control your eyes contract about 100,000 times a day (that's the equivalent of giving your legs a workout by walking 50 miles).

    If you remove the minerals from a bone by soaking it overnight in a six percent solution of hydrochloric acid, it will become so soft, you could tie it in a knot.

    There are 22 bones in the human skull.

    The hardest bone in the human body is the jawbone.

    The human skeleton renews once in every three months.

    The human body consists of over 600 muscles.

    Human bone is as strong as steel but 50 times lighter.

    Human fingers stretch and bend about 25 million times in a normal lifetime.

    Human speech is produced by the interaction of 72 muscles.
    '
    Humans have more facial muscles than any other animal on earth - 22 on each side of the face.

    It takes 17 muscles to smile and 43 to frown.

    It takes twice as long to lose new muscle if you stop working out than it did to gain it.

    Muscle tissue is three times more efficient at burning calories than fat.

    One person in 20 has an extra rib, and they are most often men.

    Our Muscles often work in pairs so that they can pull in different or opposite directions.

    The feet account for one quarter of all the human body's bones.

    The femur/thigh bone is the longest bone in our body, it is about a quarter of ones height.

    The heart muscles will stop working only when we die.

    The human body has 230 movable and semi-movable joints.

    The human body has less muscles in it than a caterpillar.

    The Hyoid bone, in your throat is the only bone in your body which not attached to other bones.

    The leg bone is the fastest growing bone in the human body.

    The length of your foot is the same as that of your forearm between your wrist and the inside of your elbow.

    The longest muscle in the human body is sartorius, which is present in the hip region and it is commonly called as tailors muscle.

    The only joint-less bone in the human body is the hyoid bone, which is present in the throat area.

    The shoulder blade is connected to the body by means of 15 different muscles and it is not attached to a single bone.

    The sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.

    The strongest muscles of the human body are masseters, which are present on either side of the mouth.

    The thighbone is so strong that it withstands the axial load of about 1600-1800 kilos.

    The tiniest muscle, the stapedius of the middle ear, is just one-fifth of an inch long.

    The tips of your fingers have enough strength to support the weight of your whole body.

    The tongue is the strongest muscle in the human body.

    We exercise at least 36 muscles when we smile.

    When you were born, you had 300 bones. Now you have 206, if you are an adult. The rest of the bones have not disappeared - they have merely fused together.

    You sit on the biggest muscle in your body, the gluteus maximus a.k.a. the butt.

    You use 200 muscles to take one step.

    Your foot contains 25% of all the bones within your body.

    Your ribs move about 5 million times a year, every time you breathe!

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