It is fascinating to discover bizarre facts about the human body. One example: A human adult's skeleton is replaced every ten year. There are four blood types and 206 bones. Two kidneys also exist. The human body is actually one of the most complex on the planet.
The adult human skeleton changes every ten year
The human skull undergoes constant remodeling and rebuilding through adulthood. Bone cell function is crucial in bone remodeling and repair. 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. The bone density measurement is used to measure the amount bone mineral in a given bone.
It has 2 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. Pleural membranes are thin, light, elastic, and provide a filtration system for air. They allow air to pass through the nose and mouth into the lungs.
It has two earlobes
Despite their similarities, human ears are different in size, shape, and color. The earlobe is a complex system of structures that allow us to hear and walk. Men's ears are typically larger than women's ears. The average length of the ear is 2.5 inches. Also, the ear lobes are 0.74 inches long by 0.77 inches wide. According to studies, the size of the ears grows with age.
FAQ
Why do actors get blacklisted?
An actor is more likely to get rejected than a writer. As an actor, it's likely that you will be rejected a lot. But it doesn't matter because eventually, you'll find someone who loves you.
Actors have a lot of talent, so they can make a decent living almost anywhere. Actors don't really care about making money. Actors love to act and tell stories. It's likely that you will be acting if your passion is acting.
You might even go to auditions where you're told that you're too old, too young, or not right for the role. You might also lose your audition for a film role. That happens a lot.
However, once you have been cast, it is possible to face criticism. Some people will say that you look awful or shouldn't wear makeup. If you're lucky, you won't even hear negative comments.
Sometimes it's because you play a character that's not realistic or authentic. Perhaps you play a homosexual man and everyone thinks that you're straight. You could also play a woman with a tendency to cry a lot, even though she's supposed to be tough.
You might be asked to change the sound of your voice. Sometimes they ask you to sound like a guy or a girl. Most times, though, they want you to sound better.
It is best to ignore these criticisms. Actors can feel like they have failed when they are told they did something wrong. But they're not guilty of anything.
They were not born with the talent that would make them famous. And sometimes, no matter how hard they try, they don't fit the bill.
There are many reasons an actor might be blacklisted. Some people don't like actors. Others feel that actors are lazy. Some actors may be cheaters.
Whatever your reason, it doesn't matter. You won't get blacklisted for trying. There are many jobs out there and you'll be able to find them.
You will eventually succeed if you keep trying.
How does your brain control the functions within your body?
The brain sends messages to other organs and muscles to ensure they work together. Everything that happens within your body is controlled by the brain. It tells you your stomach to digest food; your lungs to inhale air; and it tells you your arms and legs how to move.
Your brain consists of billions of nerve cells connected in groups called neurons. Neurons communicate with each other by sending electrical signals called action potentials on axons. Each neuron has a cell membrane surrounding its nucleus. Channels within the membrane allow ions such potassium and sodium to enter and leave the cells. The neuron fires when there is ion movement.
Neurotransmitters are chemicals released when a neuron fires. Neurotransmitters are able to bind to receptors in the second neuron. This opens ion channels that allow ions to flow in and out. As a result, second neuron fires as well.
Neurotransmitter release occurs when the presynaptic neuron receives an impulse from another neuron. An impulse travels along a synaptic link between the two neuron. The transmitter binds at the receptors of the post-synaptic Neuron and triggers its firing.
Communication within the nervous system is possible thanks to neurotransmitters. They also help coordinate activity between different parts of the brain.
Five interesting facts about your liver.
The liver is responsible of breaking down toxins and storing nutrients. It also helps regulate blood pressure and keeps our body temperature stable.
Is it not often that we hear people say "I feel sluggish today" and "my head feels heavier?" These symptoms may be a sign of liver disease.
Some common signs include dark urine, yellowing skin, fatigue, nausea, vomiting, loss of appetite, stomach cramps, jaundice (yellow coloration), and itching. These are not the only warning signs. If you feel any of these warning signs, consult your doctor immediately.
The liver is an important organ. It plays a role in detoxification, digestion, metabolism, immunity, and reproduction.
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The average adult liver weighs 1,400g.
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The size of a baby's liver at birth is approximately half that of an adult. It grows to be about four times bigger by age three than an infant's.
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The liver can be found just below the rib cage, on the left side.
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There are 16 major lobes of the liver. But there are also many smaller ones.
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About 10 million red blood cells are found in the liver.
What is one of the most amazing facts about the human body
Two eyes, two ears, 2 nostrils, 4 limbs, 1 nose, 1 penis and one mouth are all there. That's right, we have more than 50 parts of our bodies, but one thing is missing. A heart.
A heart is a pump that circulates blood throughout the body. The blood flows through the veins and arteries to carry oxygen and nutrients to the cells.
The heart pumps about 5 liters blood per minute. This is equivalent in daily coffee consumption to an adult who consumes approximately 2 to 3 cups.
The blood flows throughout the heart 24/7, 365 days a calendar. While sleeping, your heart beats close to 100 times per minute.
Color of your skin is a good indicator of whether someone is healthy. If you examine the skin closely, you will see tiny blood vessels called capillaries. These tiny vessels transport blood from the larger blood vessels to the heart. The skin turns purple or blue when there is a blockage in blood flow.
Red blood cells are missing in people with sickle-cell disease. They become very sick when their blood becomes hardened and sticky.
If you cut yourself, a bandage is applied to stop the bleeding. The wound must remain open for blood to flow properly. Doctors place a needle in the wound and insert it through the skin. This allows blood drainage from the injury area.
Doctors can also insert catheters into the artery close to the area where the bloodclot has formed. This helps to keep the patient alive until the blood clot disintegrates naturally.
Statistics
- It might not sound like something that's truly plausible — and it is quite rare — but according to a 2015 study published in the Asian Cardiovascular & Thoracic Annals, it's possible to hurt yourself and even break a rib just by sneezing. (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)
- In one 2014 study published in the Archives of Medical Science that sought to study the prevalence of these mites, research showed that 41% of the people had them hanging out in their eyelashes. (romper.com)
- In fact, according to the American Academy of Ophthalmology, you make 15 to 30 gallons of tears each year, which is insane when you think about it. (romper.com)
- In fact, nearly 24% of U.S. women are affected with one or more pelvic floor disorders, according to research funded by the National Institutes of Health. (romper.com)
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Secrets of the united states that became declassified
The United States is a land of opportunity where anyone can achieve success. However, there are also many secrets that have been kept quiet for years that could impact how we live.
These secrets include:
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The US government holds more than 5 million secrets documents that have not been made public. These documents contain information concerning UFO sightings or alien life forms, human and animal cloning, and even assassinations of world leaders.
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In 1947, President Harry Truman directed the creation the Central Intelligence Agency. This organization was created to support the president's decisions in wartime and keep America safe against foreign threats.
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The CIA used to conduct mind control experiments on American citizens without their consent. One of the most famous examples of this was Project MKUltra.
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During World War II U.S. forces conducted numerous tests on civilians. Some of these experiments involved the exposure of soldiers to mustard gas as well as biological weapons.
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In 1992, the Pentagon admitted to conducting germ warfare testing on prisoners at Guantanamo Bay.
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The CIA has secretly built prisons throughout the globe to hold terror suspects. They then send them to countries like Thailand and Poland.
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The death squads, which are used to execute political dissidents all over Latin America, have also been funded by CIA.
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The US Air Force continues to carry out chemical warfare test that violates multiple international treaties.
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Regular violations of rules by the Department of Defense regarding human experimentation with animals are common.
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While arresting protesters in coastal waters, the Coast Guard repeatedly violated federal laws.
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The Transportation Security Administration conducts illegal searches of ordinary travelers at airports throughout the country.
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The CIA operates targeted killing programs beyond recognized battlefields using armed drones or "assassination team" methods.
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The Office of Public Affairs (OPA) oversees the CIA. Yet, the CIA's employees secretly create alternative media articles which are then distributed to intelligence agencies as well as defense contractors. OPA writers claim that national security forces fear the public will find out more about UFOs and aliens as well as climate change and other sensitive topics.
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The US Air Force has access to files on approximately 7 million Americans and keeps them updated.
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US Army employed undercover agents provocateurs for violent protests and riots.
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The NSA collects credit card records and phone logs and shares this information with corporations so they can sell advertisements.
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Most people won't find out that the FBI stockpiles ammunition and guns ever since the 1980s. The FBI now stores over 10 million ammo and over 1.5 billion gun rounds!
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Homeland Security department built concentration camps that allow inmates to be detained, tortured and even killed. These detention centers are not open to members of Congress.
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The NSA uses domestic spying to target journalists and activists. Journalists are only guilty of criticizing government officials, or speaking out against abuses.
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The NSA performs massive computer surveillance against innocent citizens, many completely unrelated to terrorism.
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The NSA monitors cell phones and emails of celebrities, foreign leaders, members of Congress, judges, and even President of the United States.
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The NSA intercepts financial transactions. It also tracks private individuals' movements.
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The NSA monitors the energy production facilities and spying on global stock markets.
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Without obtaining search warrants, the NSA hacks into computer networks to install keystroke loggers.
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The NSA uses cyber warfare techniques to disable enemies' communications systems.
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The NSA monitors social networking sites such as Facebook, Twitter YouTube and Flickr.
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To impersonate hackers, the NSA creates fake online identities and spreads propaganda.
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The NSA is able to infiltrate chat rooms and messageboards in order to gain personal data.
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To manipulate discussion forums and online groups, the NSA creates false persons.
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The NSA employs homeless people to install spyware onto smart devices.