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Human brain

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The brain is the most complex organ of our central nervous system (CNS). It is composed of neurons, blood vessels, and glial cells (supporting cells of the CNS). The amount of neurons in the human brain is estimated to be around 10 billion interconnected neurons. Each of these neurons is connected to thousand neighboring neurons.

Male humans have about a 10% larger brain than females.  1273.6cc for men  1131.1cc for women;

The brain weighs on average 3 pounds, or 1,5kg;

The size of a human brain on average :
Brain width = 140 mm
Brain lenght = 167mm
Brain height = 93mm

 

An adults brain requires around 20% of the body's oxygen., and 20% of the blood

The diameter of an individual brain neuron is just 4 microns thick, you could fit 30,000 neurons on the head of a pin;

Your brain generates nearly 25 watts of power while you're awake, which is enough to light up a light bulb;

Alcohol interferes with brain processes by weakening connections between neurons;

Every time you have a new thought, or recall a memory, a new brain connection is made between two or more brain cells;

A living brain is so soft you could cut it with a table knife.

The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die;

The average adult’s brain weighs 3 - 4 lbs, but consumes 20% of the bodys oxygen supplyand it makes up only 2% of your body's weight;

The human brain contains around 400 miles of blood vessels;

The brain feels like a ripe avocado and looks pink because of the blood flowing through it;

Overexposure to aluminum compounds—in foil, cookware, deodorants, antacids, toothpaste—can affect brain function;

 A cooked potato can jump-start your brain when you're feeling foggy;

The essential oil of jasmine can quickly restore mental alertness;

Eating foods rich in vitamin E, beta-carotene, and vitamin C may help lower your risk of Alzheimer's disease;

Once a human reaches the age of 35, he/she will start losing approximately 7,000 brain cells a day. The cells will never be replaced;

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Babies are born with around a 100 billion brain cells, but only a small number of neurons are actually connected. By three years of age a childs brain has formed about 1,000 trillion connections, about twice as many as adults have. At around 11 years, the brain begins to prune unused connections. Connections that are used repeatedly in the early years become permanent; those that are not are eliminated.

 

 

 

 

 

There is no sense of pain within the brain itself which explains why brain surgeons can probe areas of the brain even when the patient is awake;

The left side of your brain (left hemisphere) controls the right side of your body; and, the right side of your brain (right hemisphere) controls the left side of your body;

You will lose consciousness in 10 seconds after the loss of blood supply to the brain;

Of all creatures on earth humans have the most complex brain;

Differences in brain weight and size do not equal differences in mental ability;

If stretched out the cerebral cortex would be 0.23 sq. m or 2.5sq.ft;

Average surface area of the cerebral cortex is 2,500 cm2 or 2.69 sq.ft;

Your brain is 80% water;

Your brain is move active and thinks more at night than during the day;

Brain imaging studies show that human feelings originate inside the brain;

The same part of the brain interprets both your physical and emotional pain;

Stress over long periods can weaken the brain’s ability to learn and remember;

A dog’s brain is 19 times smaller than a human adult brain; an elephant’s brain 4 to 5 times bigger than ours;

The human brain contains 400 miles of blood vessels;

The cerebrum is the largest part of the brain and makes up 85% of the brain’s weight;

Your skin weighs twice as much as your brain;

Your brain is 60% white matter and 40% gray matter;

The human brain is the fattest organ in the body and may consists of at least 60% fat;

Music lessons have shown to considerably boost brain organization and ability in both children and adults;

The average number of thoughts that humans are believed to experience each day is 70,000;

Those who are left-handed or ambidextrous have a corpus collosum (the part of the brain that bridges the two halves) that is about 11% larger than those who are right-handed;

Altitude makes the brain see strange visions;

Juggling has shown to change the brain in as little as seven days. The study indicates that learning new things helps the brain to change very quickly;

 Each time we blink, our brain kicks in and keeps things illuminated so the whole world doesn’t go dark each time we blink (about 20,000 times a day);

Laughing at a joke is no simple task as it requires activity in five different areas of the brain;

Some people (about 12%) dream only in black and white while others dream in color.

 


If you are snoring, you are not dreaming;

Insulin works to regulate blood-sugar in the body, but recently, scientists have discovered that its presence in the brain also helps promote memory;

It goes to follow…lack of sleep may actually hurt your ability to create new memories;

Anomia is the technical word for tip-of-the-tongue syndrome when you can almost remember a word, but it just won’t quite come to you;

Your brain stopped growing at age 18;

Reading aloud and talking often to a young child promotes brain development;

The first sense to develop while in utero is the sense of touch. The lips and cheeks can experience touch at about 8 weeks and the rest of the body around 12 weeks;

Children who learn two languages before the age of five alters the brain structure and adults have a much denser gray matter;

Studies have shown that child abuse can inhibit development of the brain and can permanently affect brain development;

Oxytocin, one of the hormones responsible for triggering feelings of love in the brain, has shown some benefits to helping control repetitive behaviors in those with autism;

You can’t tickle yourself because your brain distinguished between unexpected external touch and your own touch;

Without any words, you may be able to determine if someone is in a good mood, is feeling sad, or is angry just by reading the face. A small area in the brain called the amygdala is responsible for your ability to read someone else’s face for clues to how they are feeling;

Scientists have discovered that men and women’s brains react differently to pain, which explains why they may perceive or discuss pain differently;

Women tend to take longer to make a decision, but are more likely to stick with the decision, compared to men, who are more likely to change their mind after making a decision;

The connection between body and mind is a strong one. One estimate is that between 50-70% of visits to the doctor for physical ailments are attributed to psychological factors;

Memory is formed by associations, so if you want help remembering things, create associations for yourself;

The neocortex makes up about 76% of the human brain and is responsible for language and consciousness. The human neocortex is much larger than in animals;

The old adage of humans only using 10% of their brain is not true. Every part of the brain has a known function.

 

 

I just hope that you found interesting informations!