Friends, today we will learn some interesting facts about the most complex organ in the human body—the brain (mind). The brain is the control center of the central nervous system in animals. It regulates and controls their behaviour. In mammals, the brain is located in the head and protected by the skull. The brain (or brain matter) is present in all vertebrates, but in chordates, it appears as the central brain or as independent ganglia. In some creatures, like starfish, it is not centralized but spread throughout the body, while in some animals, like sponges, there is no brain at all. In higher animals like humans, the brain is extremely complex. The human brain has about 100 billion nerve cells, each of which makes more than 10,000 connections with other nerve cells. The brain is the most complicated organ. So, let’s now explore some special facts related to the brain.
1. Your brain does not feel any pain because there are no pain receptors or neural fibers in it.
2. Your brain grows by 95% up to the age of 5 and reaches 100% development by the age of 18, after which growth stops.
3. Compared to women, men’s brains are 10% larger.
4. The common belief that only 10% of the brain is used is false. Instead, different parts of the brain have different functions.
5. Research shows that the structure of men’s and women’s brains differs.
6. The size of the brain is gradually decreasing. Over the past 20,000 years, its size has decreased by as much as a tennis ball.
7. Scientists believe that the most complex and mysterious thing in the universe is the human brain.
8. Our brain continues to grow until the age of 40.
9. About 60% of our brain is made up of fat, making it the fattiest organ in the body.
10. After the age of 30, our brain starts to shrink.
11. Your subconscious mind is 30,000 times more powerful than your conscious mind.
12. Within six minutes of drinking alcohol, the cells in the brain begin to respond.
13. Whenever you learn new information, the structure of your brain changes.
14. The famous scientist Einstein’s brain was stolen by a doctor who conducted tests on his body. That doctor kept Einstein’s brain in a jar for 20 years.
15. According to scientific research, if you go without eating for a long time, your brain starts to eat itself.
16. About 40% of the brain is grey matter and 60% is white matter. Grey matter contains neurons that transmit signals.
17. A living brain is very soft and can be easily cut with a knife.
18. The size and weight of the brain do not affect its power. Albert Einstein’s brain weighed only 1230 grams, much less than an average human’s.
19. Inside the human brain, about 100,000 chemical reactions occur every second.
20. When we laugh, about five parts of our brain work together.
21. Our memory is infinite; it will never say the memory is full, like a computer.
22. During watching TV, very little of the brain is used, which is why children’s brains do not develop quickly through TV alone. Reading and listening to stories develop a child’s brain more because they involve imagination.
23. Compared to daytime, our brain is more active at night.
24. Reading and speaking help in more brain development in children.
25. When someone ignores or rejects us, our brain feels the same as when we get hurt.
26. Every time we learn something new, new wrinkles develop in the brain, and these wrinkles are considered a good measure of IQ.
27. If you convince yourself that you have had good sleep, your brain accepts it.
28. Blinking takes less than 1/16th of a second, but the brain retains the image of any object for up to that time.
29. Even with a helmet, the chance of brain injury is about 80%.
30. The smell of chocolate creates waves in the brain that make humans feel relaxed.
31. In a house where there is constant fighting, children’s brains are affected just like soldiers in war.
32. Oxygen deprivation in the brain for 5-10 minutes can cause permanent damage.
33. Cholesterol is not only related to the heart; about 25% of the cholesterol in the body is in the brain. It is also essential for brain health.
34. The weight of the brain is about 2% of the body weight, but it consumes 20% of the oxygen and calories in the body.
35. If the amygdala (part of the brain) is removed, a person will no longer feel fear of anything.
36. In a day, our brains receive about 70,000 thoughts, of which 70% are negative.
37. Half of our genes tell us about the structure of the brain, while the other half tell us about the entire body.
38. Your brain’s right side controls the left side of your body, and the left side of your brain controls the right side of your body.
39. The myth that the right brain or left brain is dominant is false; the whole brain works together.
40. If you drank alcohol last night and have no memory now, it doesn’t mean you forgot everything; rather, excessive drinking prevents new memories from forming.
41. When you look closely at a person’s face, you use the right side of your brain.
42. Small children sleep more because their brains use up about 50% of the glucose produced by their bodies.
43. Humans grow more at night than during the day, due to a small part of the brain called the pituitary gland, which releases a growth hormone during sleep.
44. The heaviest brain ever belonged to a Russian writer, Ivan Turgenev, weighing about 2.5 kg and passing away in 1883.
45. The total length of blood vessels in the brain is about 645 kilometers.
46. The brain functions through neurons, which play a role similar to a computer’s CPU. The human brain contains about 10 trillion neurons. After the age of 35, around 7,000 neurons die every day.
47. The human brain is about 75-80% water. If the body loses water, the brain stops functioning properly.
48. Although the brain makes up only 2% of the total body weight, it uses 20% of the oxygen and blood.
49. The first mention of the brain dates back 6,000 years to Sumer.
50. Sweating for 90 minutes continuously can make you mentally ill for life.
51. We do not remember some childhood years because the hippocampus, crucial for memory, is not developed yet.
52. Scientists have proved that a person’s physical and mental strength affect the brain. They found that as a person becomes powerful, their capacity for empathy diminishes.
53. Taste receptors, which detect the flavor of food, are found in many parts of the body, including intestines, testicles, lungs, anus, and even the brain.
54. If you consider body size, the human brain is larger than that of any other creature. The elephant’s brain is only 0.15% of its body, whereas humans’ is 2%.
55. An adult’s brain weighs approximately 1300 to 1400 grams.
56. If the cells of our brain could change like our skin, we could forget our memories.
57. Information from different parts of our body reaches the brain at different speeds via different neurons. Not all neurons are the same; some transmit information at 0.5 meters per second, while others do so at 120 meters per second.
58. The left side of the human brain controls speech, and in birds, the left side manages their chirping.
59. The human brain reacts faster than a computer.
60. Mind and brain are two different things; the exact location of the mind within the brain is still unknown.
61. During pregnancy, the number of neurons in a woman’s brain increases at a rate of about 250,000 neurons per minute.
62. Every new memory is connected to new pathways in the brain.
63. Addicts’ brains are structured similarly to those of orgasmic individuals.
64. You can drink as much alcohol as you want, but your brain always retains the ability to remember things. However, after sobering up, your brain forgets everything you did while intoxicated.
65. You can increase the number of neurons in your brain through mental exercises because the parts of your body you use most become more developed.
66. The surface area of the brain is approximately 1,500 to 3,000 square centimeters.
67. The brain does not feel pain, so if only the brain is operated on, anesthesia is not necessary; however, anesthesia is required for procedures like scalp surgery.
68. Lack of sleep severely affects your brain and slows down your reactions.
69. Our brain produces about 12 to 25 watts of electricity at all times—enough to power a small LED bulb.
70. By the age of 2, people have more brain cells than at any other age.
71. Whenever you listen to music, your brain releases a chemical called dopamine, which has a positive effect on you.
72. It is possible to remove half of the brain through surgery, and it will not affect your memories.
73. Children who learn two languages before the age of five have their brain structure slightly different.
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