Amazing facts about the human anatomy are fascinating to find. An adult human's skull replaces itself about every tenth of a century. It has four blood categories and 206 joints. Two kidneys also exist. In fact, the human body is one of the most complicated bodies on earth.
An adult human's skeleton replaces itself every ten years
The human skeleton is constantly in constant remodeling and rebuilding throughout adulthood. Bone cells play a vital role in bone repair and remodeling. The body replaces nearly 100 percent its bone tissue every year. Osteoblasts, which are bone cells, break down and create new bones. This process is called "bone remodeling" and is measured by a bone density measurement.
It has two lungs
Two lungs (or lobes) are found in the chest cavity. These organs are responsible both for exchanging oxygen and removing carbon dioxide. Each lung is enclosed by a membrane called a pleura, and is connected to the heart and trachea by the main bronchus. The pleural membranes provide air filtration. They are thin, flexible, and light. They also allow air in the lungs to flow through the nose, mouth, and nose.
It has two earlobes
Despite the similarities between them, human ears can be quite different in terms of their size, shape and color. The earlobe is a complex system of structures that allow us to hear and walk. The ears of men are generally larger than the ears of women. The average ear length is 2.5 inches, and the ear lobe is 0.74 inches long and 0.77 inches wide. According to studies, the ear lobes grow larger as we age.
FAQ
What is the most secretive location in the entire world?
The answer to that question may shock you. It may even make it uncomfortable, as it challenges our perceptions of reality and our lives. However, there's a reason for this place to exist. It's not what we would expect.
It was called the City of God by ancient Greeks. It was also known as the City of Destruction according to the Bible.
It's known in India as Kashi (Kashmir). In Russia, it's called Novgorod.
However, in America it is called The Town that Disappeared.
One small community in western New York State with 1,200 residents vanished without a trace. A road sign pointing to the former location of the town was all that was left, except for a few bodies and cars.
This little community vanished and no trace remains to indicate where or when it disappeared. Some say it was swallowed up by the Earth. Others claim that a meteorite hit destroyed it. Some claim that it was destroyed by a meteorite strike. Others still believe it was stolen away by aliens.
The residents of this once prosperous community believe that whatever happened, their town is not gone forever. They just moved to another city.
You can even track the disappearance of Zugspitz on a dedicated website.
The question is, where did this place go? It's actually in Switzerland!
Zugspitze is located on the border between Germany and Austria. A huge lake, Lake Zugspitze, is located just beyond the summit.
It has always fascinated my that so many towns have disappeared but others still exist. Why do some disappear while others survive? I decided that I would investigate.
I wanted to know more about the mysterious disappearing towns. What is the secret to a town's disappearance? How does one place go extinct?
There are several theories behind the disappearing of towns. One theory is that a city disappears after all buildings have been demolished. Another theory holds that the town simply relocates to another location. The third theory is that the town was never actually there.
Although theories may be a bit speculative, it is a fact that numerous towns have been destroyed by the elements. This video examines the history and current status of these places.
Why are actors blacklisted?
An actor is more likely to get rejected than a writer. Actors are likely to be rejected often. But it doesn't matter because eventually, you'll find someone who loves you.
Actors can often make a living from acting because they are very talented. However, most actors aren't interested in making money. Actors enjoy acting and telling stories. It's likely that you will be acting if your passion is acting.
Sometimes you may be told by the audition panel that you are too young, too old, or wrong for the role. You may also be rejected from a movie audition. It happens all too often.
But once you've been cast, you may also face criticism. Many people will tell you you look horrible or that you shouldn't be wearing make-up. If you're lucky, you won't even hear negative comments.
Sometimes you'll be criticized because you're playing a character that isn't realistic or authentic. You might play a gay man and everyone assumes that you are straight. You could also play a woman with a tendency to cry a lot, even though she's supposed to be tough.
Sometimes, they ask you to change your voice. Sometimes they ask you to sound like a guy or a girl. They usually want you sound better.
These criticisms should be ignored. Actors feel like they've failed when told they did wrong. The truth is they haven’t done anything wrong.
They were not born with the talent that would make them famous. Sometimes, no matter what they do, they just don't fit the bill.
Blacklisting an actor could be for many reasons. Some people don't like actors. Some people think actors are lazy. Others believe actors cheat.
No matter what the reason, you won't be blacklisted if your persistence persists. There are plenty of roles out there, and you'll find them.
You'll succeed as long as you keep trying.
What is the most fascinating fact about the human body
Two eyes, two ears and two nostrils are part of our bodies. We also have four limbs: a mouth, nose, penis, and four limbs. You're correct, there are more than 50 parts in our bodies. But, one thing is missing. A heart.
The heart is a pump that circulates blood throughout your body. The blood moves through the veins. It transports oxygen and nutrients to your cells. It also removes carbon dioxide.
The heart pumps out approximately 5 liters of blood per minute. This is equivalent to an adult consuming 2-3 cups of coffee per day.
The heart pumps blood 24 hours a days, 365 days per year. While you sleep, your heart beats almost 100 times per minute.
Skin color can be used to determine if someone has a medical condition. You can see tiny blood vessels, called capillaries, when you look closely at the skin. These vessels carry blood back to the heart from the large blood vessels beneath the skin. The skin turns blue or violet when blood flow becomes blocked.
People suffering from sickle cell disease have no red blood cells. Their blood becomes very sticky and hardened, leading to serious illness.
A bandage can be used to stop bleeding if you have cut your own skin. The wound must remain open for blood to flow properly. To do this, doctors insert a needle through the skin into the vein next to the injury. This allows the blood to drain from the injured area.
Doctors also insert tubes (catheters) into the artery near the site where the blood clot forms. This keeps patients alive until the clot has broken up naturally.
Have you ever wondered what amount of trash is generated each day worldwide?
The United Nations estimates that the average person generates more than 2.5 pounds of waste each day. This adds up to over 25 million pounds of garbage annually!
Most of this rubbish ends up in landfills or incinerators. But, what happens when those dumpsters fill up? Where does all that rubbish go?Well, most of it gets shipped out of the country. The trash is then sent out of the country and dumped in countries where it pollutes ecosystems. But, one man has now discovered exactly where this rubbish goes. His name is Mike Sexton. He owns a company called Waste Watchers. He spends his time watching trucks hauling trash around North America. Then he reports back to us about what happens next.
Sexton stated that he finds the job very satisfying. CNN interviewed Sexton and said that he has a lot of fun. "We see these big trucks coming through town, so we'll keep following them. "Sexton began following truckers almost 20 year ago.
He stated, "I just fell in Love with It."
Sexton's favorite story was about a driver who stopped at an abandoned gas station in Los Angeles. Sexton recalls, "The guy was searching for somewhere to put his loads." "He drove down the street and saw this building. He stopped and pulled up, then he went inside. "There were two large roll-off containers full of stuff. The man got everything out of the truck and began filling it up again. "Then he looked at the place and decided to unload everything. There were old tires and rags, furniture pieces, mattresses, mattresses and boxes. "It was just an absolute mess. But it had been cleared out before he arrived. There wasn't any trash anywhere."
This begs the question: Why? The answer is that this location was once part of a recycling facility. People who knew about it would drive to this location to recycle their garbage. Sexton explained that people would bring home their household items, and then take them to the building. After they were done, they would dispose of the empty containers.
Now, because of the way the law works, once a container reaches its destination, it cannot be opened.So no matter how often someone takes something out of it, the thing will never be emptied.Every time the truck comes by, it has to start over again. This can happen hundreds of times a week.Eventually, the truck becomes so overloaded with junk that it stops running. The owner eventually abandons the vehicle.
Trash, however, isn't the only problem facing our planet.As you may have noticed, things are getting worse.According to experts, pollution levels have risen dramatically in recent years.More than half of all water bodies on Earth are polluted.Pollution from industrial chemicals has increased by more than 30 percent since 1980.Even the air we breathe is becoming increasingly toxic.A study by the World Health Organization found that the average person inhales around 100 million particles daily.
Most of these particles are made up of tiny pieces of plastic.Some of these plastics end up in landfills or incinerators. Some are washed into rivers and oceans. Others end up with fish in their stomachs.
Experts warn that the world may soon face a shortage of food if we don't make any changes. One expert said, "If we keep going as we are going, we're never going to make it," but most people don’t seem concerned.
Statistics
- The average human adult male heart rate is between 70 and 72 beats per minute, while the average for adult women is between 78 and 82 beats, which is significantly faster, according to 2014 published in the Journal of Clinical and Diagnostic Research. (romper.com)
- You spend about 10% of your time awake blinking (romper.com)
- Your mouth makes a lot of saliva every day It might seem like way too much, but your salivary glands typically produce anywhere from 0.5 and 1.5 liters a day, according to a 2009 study published in the Journal of Medicine and Life. (romper.com)
- "It is estimated that 75% of people have at least mild gum disease, with the most common symptoms being bleeding when brushing, bad breath, and dark and swollen gums," Dr. Ron Baise, a London-based dentist, tells Romper. (romper.com)
- A 2012 paper published in the Proceedings of the National Academy of Sciences reported that people blink about 15 to 20 times each minute, meaning, if you do the math, you spend about 10% of the time that you're awake blinking. (romper.com)
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Hollywood Actors and Actresses with PhDs
Many famous people had PhDs including Bill Gates and Steve Jobs, Oprah winfrey, Michael Jordan and Barack Obama. Nikola Tesla is one of many notable scientists.
Some celebrities have received Ph.D. degrees such as actor Tom Hanks, Barbra Streisand and Meryl Streep.
All these stars earned their doctorate from different universities around the world. Many of these celebrities became successful business leaders and entrepreneurs after earning their PhDs.
Other well-known actors/actresses with PhDs include:
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Actor David Schwimmer received an MBA at Columbia University Business School. He also attended NYU's Tisch Academy of the Arts.
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Jennifer Aniston was an actress who graduated Dartmouth College with a Bachelor in Science degree. Harvard University later awarded her her Master's in Organizational Behavior & Human Resources Management.
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Julia Roberts was a Yale University Biology student before she received her Masters of Public Administration (Georgetown University) as an actor.
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Actor Edward Norton graduated from Brown University with his Bachelors of Fine Arts. From Stanford University, he received his Doctorate of Molecular Biophysics & Biochemistry.
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Maggie Gyllenhaal is an actor. She graduated from Barnard College, where she received her Bachelor of Arts degree in English Literature. Columbia University granted her her Master of Social Work.
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Sarah Jessica Parker, actress, received her Bachelor of Arts in Psychology degree from Wellesley College. Columbia University conferred her master's degree with a clinical psychology concentration.
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Sandra Bullock, an actress, earned her Bachelor of Arts from the University of California Berkeley. After graduating from Cal Berkeley, she went on to earn her Masters of Education at UCLA.
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Actress Reese Witherspoon earned her Bachelor of Arts in Political Science from Tulane University. She then earned her Master of International Affairs from the Fletcher School of Law and Diplomacy at Tufts University.
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Michelle Williams, an actress, graduated from Wesleyan University in Massachusetts with a Bachelor's degree in Arts. She then received her Master of Arts degree as a Psychology Specialist from Boston University.
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Actress Shailene Woodley graduated from Brigham Young University-Hawaii with her Bachelor of Arts. She then went to graduate school for her Master's in Environmental Studies from San Francisco State University.
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Will Smith, actor graduated from Howard University after receiving a bachelor's in Communications. He earned his Master of Business Administration degree from Northwestern University's Kellogg Graduate School of Management.
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Actress Queen Latifah graduated from Michigan State University with a Bachelor of Science in Nursing. After graduating from Michigan State University, she earned her Bachelor of Science in Nursing. She went on to earn her Master of Public health at the University of North Carolina.
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Amy Adams, actress, graduated with a Bachelor's degree in Music from Juilliard School. She received her Master of Music from the Manhattan School of Music.
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Actress Halle Berry graduated from the American Conservatory Theater with her Bachelor of Fine Arts degree. Carnegie Mellon University gave her her Master of Fine Arts in acting.
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Brittany Murphy was an actress. She graduated with a Bachelor of Arts (Theatre Arts) from Santa Monica High School. She then got her Masters of Fine Arts in Acting from New York Film Academy.