So, have you ever wondered how many atoms there are in your body, and why do your veins look blue instead of red? Well! let's poke around the human body and see what's going on with 60+ Amazing Facts about the Human body.

60+ Amazing Facts about the Human Body

#1 Goosebumps are an evolutionary reflex, leftover from our ancestors. The release of adrenaline made their hair stand up, and they look scarier to approaching predators.

#2 The beating sound your heart makes is the clap of valve leaflets opening and closing.

#3 Your heart doesn't replicate itself unless you have an injury.

#4 Your corneas are the only parts of your body that don't get the blood.

#5 Human brains have a hundred billion (100,000,000,000) neurons. Give or take.

#6 The vessels in your body are long enough to circle the Earth twice or more.

#7 The idea that we use only 10% of our brains is a myth. At any given time, you use almost 100%. Otherwise, you wouldn't be able to perform simple tasks like drink a cup of coffee.

#8 When ancient Romans flex their biceps, they thought their muscles look like mice. This way the word muscle translates as "little mouse" in Latin.

#9 Your left lung shares space with your heart, as it is smaller than your right lung.

#10 Experts used to think that we can only distinguish 10,000 smells. A recent study found human beings can recognize one trillion smells.

#11 More than 70% of your brain consists of water, and it needs 20% of your body's oxygen supply.

#12 Your mouth contains about 700 different kinds of bacteria. Over 6 billion of them live there.

#13 Your skin is your largest organ. It can cover the surface area of two bath towels.

#14 For every pound of fat, you gain - you generate one mile of new blood vessels, to supply oxygen and, nutrients to your body.

#15 Your stomach produces a new lining every six days to avoid digesting itself. Uggghhhh.....!

#16 The membranes, blood vessels, and muscles surrounding your brain have pain receptors but your brain doesn't. That's why you don't get brain aches.

#17 Teeth are considered part of your skeleton but they don't count as bones.

#18 Nerve cells transmit 1,000 nerve impulses a second, they travel at 1 to 268 miles per hour (1.6 to 431 km/h).

#19 Our DNA contains 100,000 viruses. Scientists have discovered one that goes back 100 million years.

#20 Food does not require gravity to get to your belly. Your muscles constrict and relax to push it down.

#21 The biggest molecule in the human body is the chromosome 1. A human cell has 23 chromosome pairs and each chromosome 1 is made of 10 billion atoms.

#22 You inhale 25 sextillion molecules in just one breathe which is 25 followed by 21 zeroes (25,000,000,000,000,000,000,000).

#23 You have a leaf-shaped flap at the top of your larynx which is known as epiglottis. It shuts every time you swallow to prevent food from getting into your lungs.

#24 The idea that the tongue has flavor zones is a myth. All tastebuds can detect five tastes, but some receptors are most responsive than others.

#25 The enamel of your teeth is the strongest material in the human body. In which 96% are minerals.

#26 Humans get only two sets of teeth across their whole lifetime. But crocodiles replace their teeth than 45 times.

#27 Your nose gets runnier when you have the flu because it produces excess mucus to get rid of microbes invading your body.

#28 Your sense of smell is the only one that goes directly to the part of the brain that controls your emotions and memories.

#29 The bumps on your tongue are not tastebuds. They are mushroom-shaped bulbs. Each of them has up to 5 tastebuds with 100 taste receptor cells each.

#30 Your pancreas contains taste receptor cells that allow it to detect not only sugar but artificial sweeteners too. It uses taste data to balance our hormones.

#31 Oxygen is the richest element inside the human body which is 65%. But it also contains lithium, cobalt, gold, and uranium. The rarest one of all is radium to give you the glow, I assume.

#32 You swallow 600 times a day. Once every minute when you're awake, and around three times per hour while sleeping.

#33 The only animals who knowingly postpone sleep are human beings. So, put your phone away.

#34 The average person has 10,000 tastebuds. But as they get older, some taste cells are not replaced. An older person may have just 5,000 working buds.

#35 Your body has five million (5,000,000) hair follicles and just one hundred thousand (100,000) of them are on your head.

#36 Hair grows half an inch (1.27 cm) every month. So, a 70-year-old person that never got a haircut, would have hair as long as a telephone pole.

#37 The eyes use a pigment to get their hue which is called melanin. Brown-eyed people have more melanin than those with green eyes. Which reminds me, people with blue eyes have a completely colorless eye tissue. they get their color the same way water and the sky get their shades of blue.

#38 The average lifespan of one eyebrow hair is 4 months.

#39 The body of a 110-pound person contains 40 tablespoons of salts.

#40 when breathing, a single lung only uses 5% of the oxygen you've inhaled.

#41 You blink about 15-20 times a minute. And your eyes have the fastest muscle group in your entire body. But when staring at a computer screen, your blink rate goes down to 5 times a minute.

#42 The blood in your body travels 4 miles per hour and it reaches your brain in just a few seconds.

#43 You have around 3 million sweat glands in your body. Some are on your feel soles and your arms, forehead, armpits, and cheeks.

#44 If you walked 2 miles per hour, you would have to walk for 20 hours straight to lose one pound. If you walk 2 miles per hour non-stop, it would take you 518 days and 8 hours to circle the equator.

#45 Earwax isn't wax. It contains fat skin cells, sweat, and dirt.

#46 Embryos develop fingerprints at three months.

#47 Sunburn is the result of radiation exposure. When your body's natural defense mechanism gets overwhelmed, trying to fight UV rays. It results in a dangerous reaction resulting in sunburn.

#48 You get red eyes in photos because when the cameras flash goes off your pupils do not have enough time to constrict. A large burst of light reaches your retina and it bounces back.

#49 The earliest known person to have had blue eyes lived in the stone age 7,000 years old.

#50 Contrary to popular belief, contact lenses cannot get lost behind your eye.

#51 Your teeth begin to form before you're born. But don't come out, until you're 6 to 12 months old.

#52 Left-handed people usually prefer to chew on the left side, and right-handed people well, they chew on the other side.

#53 Even if your fingerprints are damaged, they'll grow back in the same unique pattern.

#54 There is a name for the growling sound, my stomach makes when I'm hungry. That sound is called Borborygmus. Which I think is Latin for "Hey dude, can I get some food over here!."

#55 Veins look blue because light has to go through layers of skin, and fat to reach them. Your skin scatters a lot of the red portion of while light before it reflects the blood, this leaves only the blue light to bounce back to your eyes.

#56 A person who has amnesia is unable to detect smells, but phantosmia is when a person smells an odor, that is not there.

#57 Your fingernails, grow twice as fast as your toenails. It would take fifteen and a half months for your toenails to grow one inch, but only seven months for your fingernails to get this long.

#58 The outer layer of your skin is thicker on your feet than other parts of your body.

#59 It takes six to eight hours for food to travel through your stomach and small intestine that is because your body is trying to absorb all its nutrients.

#60 Your right kidney is smaller and sits lower down than your left kidney to make room for your lover, I mean liver.

#61 A 150-pound person's body is made up of 7 octillion atoms. How many zeroes anyone? It is 27.

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