1.Women blink twice as many times as men do.
2.When you fall in love, the brain releases the same cocktail of neuro-transmitters and hormones that are released by amphetamines, leading to increased heart rate, loss of appetite and sleep, and intense feelings of excitement.
3.When you blush, your stomach lining also reddens.
4.10% of men and 8% of women are left-handed.
5.The nail on the middle finger grows faster than the other fingernails.
6.Men burn fat faster than women by a rate of about 50 calories a day.
7.Men get hiccups more often than women.
8.Man has approximately 6.8 liters of blood in the body while women have approximately 5 liters.
9.The largest cell in the body is the female egg and the smallest is the male sperm.
10.After eating too much, your hearing is less sharp.
11.Hands and feet contain almost half of the total bones in the human body.
12.About 32 million bacteria call every inch of your skin home, but they are mostly harmless and some of them are even helpful.
13.Humans are the only species that produce emotional tears.
14.The only part of your body that has no blood supply is the cornea in the eye. It gets oxygen directly from air.
15.It is impossible to kill yourself by choking yourself with your hands.
16.Human skeleton keeps renewing itself every ten years which means that every ten years you get a new skeleton.
17.70-80 head hairs are likely to fall every day.
18.80% of the brain is water.
19.Babies born without kneecaps. which appear between age 2 and 6.
20.Baby’s head is one-quarter of it’s total length, but by age 25 will only be one-eighth of its total length.
21.Childs ability to learn can increase or decrease by 25% or more depending on if the child grows up in a stimulating environment.
22.New Born baby’s brain grows almost 3 times as fast during the first year of life.
23.A person can live without food for about a month, but only a week without water.
24.A person will die from lack of sleep sooner than they will from starvation, which usually takes a few weeks.
25.A single hair has the ability to support up to 100 grams of weight and the whole head of hair has the ability to support up to 12 tons of weight.
26.Single Human sperm contains the 37.5mb of male DNA required to create a human child. That means an average ejaculation sees the transfer of 1,500 terabytes of information.
27.Sneeze generates a wind of 166 km/hr (100 mi/hr), and a cough moves out at 100 kmh (60 mi/hr).
28.Women’s heart beats faster than a mens.
29.After death, the body starts to dry out creating an illusion that the nails and hairs are growing even after death.
30.Adult is made up of around 7,000,000,000,000,000,000,000,000,000 (7 octillion) atoms.
31.Average adult male brain weighs about 1375 grams.
32.Average person has over 1,460 dreams a year which is about 4 dreams every night.
33.Average person laughs about 15 times a day.
34.Babies are born with 300 bones, but by adulthood the number is reduced to 206.
35.Babies are color blind when they are born ,so they only see black and white.
36.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.
37.Blood is 6 times thicker than water.
38.Children have better sense of smell than adults.
39.Cold weather improves human memory and concentration.
40.Enamel, found on our teeth, is the hardest substance in the human body.
41.Every 60 seconds, your red blood cells do a complete circuit of your body.
42.Every person has a unique tongue print.
43.Eyes are the only part of the human body that functions at 100 percent ability at any movement.
44.Fingernails grow nearly 4 times faster than toenails.
45.Frequent dreams are correlated with having a higher IQ.
46.Frequent washing of hair does not cause hair loss.
47.Guys are more likely than girls to have bad acne.
48.Human skin contains 45 miles of nerves.
49.Human speech is produced by the interaction of 72 muscles.
50.Humans are the only mammal that cannot swallow and breathe at the same time.
51.Humans have the ability to differentiate about 10,000 odors.
52.Humans share 50% of their DNA with bananas.
53.Blind people understand spoken words quicker than sighted people.
54.If human sense of smell is affected, sense of taste is also affected as the brain interprets signals from the nose and tongue.
55.If saliva cannot dissolve something, you cannot taste it.
56.If uncoiled, the DNA in all the cells in your body would stretch 10 billion miles, from here to Pluto and back.
57.Inner ear is the main organ of balance.
58.It is impossible to tickle ourselves.
59.It’s impossible to sneeze with your eyes open.
60.Laughing and coughing creates more pressure on the spine than walking or standing.
61.Men can read smaller print than women; women can hear better.
62.Most people have three types of color receptors to see color vision, while some women have four or even five of these receptors and can see a wider range of colors.
63.On an average, 100,000 to 1,000,000 chemical reactions takes place in our brain.
64.On average, we speak about 5,000 words per day.
65.Our eyes never grow, and our nose and ears never stop growing.
66.Right-handed people live, on average, nine years longer than left-handed people do.
67.Sleeping less than 7 hours each night reduces your life expectancy.
68.Taste buds are present inside the mouth and also at the roof of the mouth.
69.The amount of carbon in the human body is enough to fill about 9,000 ‘lead’ pencils.
70.Brain continues to send out electric wave signals until approximately 37 hours after death.
71.Brain is much more active at night than during the day.
72.Any damage to brain cells cannot be repaired completely.
73.Brain itself cannot feel pain.
74.Food will get in to the stomach even if one stands on their head.
75.Human body contains about 200,000 temperature detectors.
76.Human fetuses react to loud rock music by kicking.
77.Human body has 500,000 touch detectors.
78.Hardest bone in the human body is the jawbone.
79.Heart muscles will stop working only when we die.
80.Human brain is made up of more than 10 billion nerve cells and over 50 billion other cells and weighs less than three pounds.
81.Human brain is the most powerful computer which has the processing speed of 3000+ Ghz
82.Human brain is very soft like butter.
83.Human brain stops growing at the age of 18.
84.Loneliness is physically painful.
85.Melanin, a pigment present in the skin is responsible for the color of the skin in a person.
86.largest internal organ is the small intestine.
87.only joint-less bone in the human body is the hyoid bone, which is present in the throat area.
88.Right side of the human brain is responsible for self-recognition.
89.Sound you hear when you crack your knuckles is actually the sound of nitrogen gas bubbles bursting.
90.Tips of your fingers have enough strength to support the weight of your whole body.
91.Tooth is the only part of the human body that can’t repair itself.
92.There are 137 million light sensitive cells in the eye’s retina and the fluid that fills the eye is changed 15 times a day.
93.Tongue is the strongest muscle in the human body.
94.left lung is smaller than right lung to make room for your heart.
95.Humans make around 1 to 1.6 liters of saliva a day.
96.Human Share 98.4% of our DNA with a chimp – and 70% with a slug.
97.On an Average,Human close eyes for 0.3 seconds, when we blink.
98.Within three days of death, the enzymes that once digested your dinner begin to eat you.
99.Women have better sense of smell than men.
100.You have no sense of smell when you’re sleeping.