Why is earth special???

Our planet known as earth is very special and it has a special spot in solar system. There are so many reasons -
-Sprawling continents
-Blue seas .
Is nearly limitless variety of ice cream flavors. But one earthly thing stand out above the rest: it's earthlings. Ours is the only planet currently known to harbor life. In fact, earth's unique combination of water, air and land nurtures lige if every sort, from microscopic amoebas to submarine size blue whale.

What condition on earth Mame it so favourable for life???? 
Earth's atmosphere is not only provides the right mix of breathable air for animals and plants, but it - combined with an oxygen rich ozon layer and the planets electromagnetic field-also act a force field against solar radiation and deadly space debris. The solar system's other planets are typically too hot or too cold to support liquid water but earth is just right. Oceans cover nearly 70 precent of the planets surface and are a source of the water vapour responsible for our weather. 

Why do we get OLD??

The again process is a real head scratcher for scientists. Healthy humans are capable of healing their injuries, recovering from illness, and replicating their cells again and again. Why can't this process continues forever?  Old age and death are hardly helpful to our species ' survival, after all. Scientists have studied nearly every type of animal -- from short lived flies to be defying flatworms to unravel this mystery.

According to the theory, our life Span is programmed into our DNA, which jump starts the again process once we are beyond our productive years. Scientists tinkering with the age related genes in some worms have been able to dramatically increase life spans.
Another theory holds that your cells have a sort of expiration date and can only  reproduce so many times. Some scientists believe that the longer you live, the more damage your body racks up. Eventually the humans machine becomes so bogged down with glitches that it can no longer repair itself properly. Likely, a combination of these theories can explain the again process. Our life span is also affected by many factors outside our bodies. How we eat, where we live -- even wetter we marry -- can influence our body's expiration date.

Who was the oldest human in the world ?
A French woman named Janne Calment lives 122years and 164 days in 1997 according to the Guinness world record.
She credited her routine snacking on chocolate for her amazing life span. Meanwhile, a Bolivian man named Carmelo Flores Laura may have surpassed Calmant's record. Goverment document show that Flores was born in 1890. Which would make him older than Calment when she passed away. Flores didn't have his original birth certificate though, casting doubt on his actual age, though casting doubt on his true age, he died in 2014.

When men get older ,why they get wrinkles ?
Once you reach adulthood,your skim stops growing. It loses its elasticity, taking a little longer to spring back into shape when you laugh or furrows your brow. Wrinkles from as your akin starts to sag in old age. A lifetime of smiling leaves wrinkles alongside your eyes, "crow's feet "

Why do I get ZITS??

Your body is covered with millions of hair follicles that pump out protective oils, but it takes just one clog to create a dreaded blemish, Bacteria ,dead skin, oil and white blood cells that gave their lives  fighting inflection combine into a repulsive white put that erupts when you give the pimple a squeeze which you should never do, unless you want to memorialize that zit with a scar.

Why do I sweat when I get hot or when I exercise ?? 
Sweat is secreted from glands in your skin to cool your body and flush away waste. It's nature's air conditioning .


Why does my sweat stink? ?
Sweat doesn't smell like anything until it's tainted by microorganisms living on your body. Your sweatier parts-- your armpits and feet -- offer a banquet for bacteria ,which produces stinky micro poop. Hence, B.O.--- pee-yew!


Why do I get bad breath? ?
Blame the bacteria in your mouth, they made a midnight snack of the leftover stuck on your teeth and between your gums, draising a royal stink their secretions.


Why do cuts scab up?? 

The instant you suffer a scrape, cells in your blood rush to the wound and seal it. Eventually, this clot dries and hardens into a crusty protective scab. Resist the urge to pick it. 

Why do I TOOT??

There is no need to be talk into code because everyone passes gas. Most of your body's foul fog is pumped out by the billions of bacteria that lives in your large intestine, aka your body's flatulence factory. These microorganisms excrete stinky gas as they help break down the food you eat. They cat all the cheese: you take all the blame.

How often do people pass gas?? 
Between 13 and 21 times a day. You can up your flatulence frequency by munching on more time wheat products, vegetables ,and of course beans.

Why do some toots of phwoot??
Flatulence fluctuates in volume -- from nearly silent squeaks to seat quaking explosions -- depending on how much air you force through your body's wind instrument: a puckering muscle at the end of your intestine called the anal sphincter.

Why do some toots make everyone around you go pee-yew ?? 
Why do you expect from air shared from your derriere?  Although 99 precent of your flatulence is made of odorless gases, the remaining one percent can put tears in the eyes of passersby. Food munching bacteria in your guts produce skatole, the source of poop's particular odor  and sulfide that give toots that rotten egg aroma.


Is it possible to trigger a toot? ?
Sure, if you are a "flatulist"- a type of entertainer who can pass gas on command. The most famous professional tooter was Joseph Pujol ,a 19th century French "fratromanic" who entertained royalty with his gas summoning abilities. He could imitate thunderstorm and even play the flute with his "wind instrument ".


Why do I burp?? 
You gulp a bit of air into your stomach every time you eat, drink, talk, chew, etc. When your belly balloons to its maximum capacity, it releases the bubbles back up your food tube and out your mouth and nose. The result : Brraaappp! My what a loud upper esophageal sphincter you have!  That's is the flexible flap at the tip of your food tube that vibrates as it releases swallowed air from your stomach.


How often do people burp?? 
Between 25 and 30 each day. More if they bubbly beverages such as soda.

But why don't burps stink like gas passed from your other end?? 
Burps get only the budget tour of your digestive system, dipping no deeper than your stomach, so they are mostly nothing but hot air. As a result  ,belches typically emerge from your mouth fragrance free.-- unless you have a eaten a spicy meal. What better way to let everyone know you had leftover pepperoni pizza for breakfast??


Why do I get the hiccups? ?
Hiccups happen when your diaphragm -- a sheet like muscle at the bottom of your chest that helps you sick air into your lungs -- goes a little haywire, usually after eating too much or too quickly or when you get nervous. The diaphragm spasms, jerking air into your throat to make the Familier hic-up sound.

Why does my belly Growl when I get hungry??

Actually when we are not hungry, as food is moved through the digestive process. It's just that the rumble is louder when your belly's empty and not muffed by pizza crusts and burger bites.


Why does my mouth water when I smell dinner? ?
Because our body is gearing up for digestion ,the process that convert food into energy ( and into some yucky stuff too. But we will get to that in a bit). Glands in mouth Socrates a watery substance called saliva which contains Chemicals that help melt chewed food into slimy gobs of mush. Each called a bolus, for easier swallowing.  Your tongue heard every bolus to the Back of your throat and drops it into esophagus, a pipe that squeeze everything you eat into your stomach.

Why can I swallow food even when I am hanging upside down???? 
When it comes to your digestive system, what goes down usually not come up. Muscles in your food pipe and stomach push everything you eat on its next destination in the digestive system.

How does my body digest food??? 
The process of digestion that started in your mouth continuous I'm your stomach. This expandable organs is lined with mighty muscle that pummel your food. A sea of gastric juices, meanwhile, dissolve your dinner into a thick paste called chyme, which dribbles slowly to its next port of call, the small intestine, where the bulk of digestion takes place. This 20-feet tube coils through your abdomen and teams with other organs to absorb nutrients from everything you eat. It's followed by the large intestine from everything you eat. It's followed by the large intestine, which sops up chyme's excess water and minerals.

Where does number 2 fit into this process?? 
When enough processed digested food reaches your rectum-- the lunch chamber of the digestive system -- you start to get that pressing feeling quick, grab a good book and find your self a toilet!

What's in number two? ?
By the time that burger and fries you ate yesterday reaches the end of the large intestine .It's officially poop-in-waiting, a dry mass of indigestible fiber and dead bacteria, which is source of excrement's eye watering odor. Your poo is colored brown from waste Iron and dead blood cells in your intestines.

Why do I have to go number one? ?
All the dead stuff collected by your kidneys, along with any excess fluid, drain into a stretchy pouch called bladder. As the bladder fills, it balloon in size until it reaches capacity -- about a pint of flour that is 473 ml. A full bladder send your brain into yellow alert and your legs scrambling for the nearest bathroom.

What's in number one?? 
Urine is made of water, urea, A waste products also found in sweat, salts, and other waste chemicals. A digestion aiding chemical called bile gives pee it's lightly yellow color, which becomes darker if you are thirsty.