Our body is so amazing.!!! Time and time again, we discover something new. Did you know that scientists just discovered a new organ called the mesentry in 2017? Yeap. Right. Let’s continue checking out the other intriguing human body facts below.
At any moment, there are 2.5 trillion of red blood cells in your body. To maintain this number, about two and a half million new ones need to be produced every second by your bone marrow. A red blood cell can circumnavigate your body in under 20 seconds. We give birth to over 200 billion red cells every day. A drop of blood contains 250 million cells.
Nerve Impulses travel at over 400 km/hr. A sneeze generates a wind of 166 km/hr and a cough moves out at 100 km/hr. Our heart beats around 100,00 times every day or about 30 million times in a year. Our blood is on a 60,000-mile journey per day. When we touch something, we send a message to our brain at 124 mph.
The average human brain weighs about 3 pounds. The left side of human brain controls the right side of the body and the right side of the brain controls the left side of the body. When we go to sleep and enter REM (Rapid Eye Movement),our bodies become completely paralysed as areas of the brain that control movement are de-activated. An adult human brain is about 2 % of total body weight. The total surface area of the human brain is about 25, 000 square cms.
Our lungs inhale over two million litres of air every day. Our eyes can distinguish up to ten million colour surfaces. We exercise at least 36 muscles when we smile. We make around 1 to 1.6 litres of saliva a day. When you blush, your stomach lining also reddens. The liver is the largest and heaviest internal organ of the body and weighs about 1.6 kilos.
Strange but true!! there are more living organisms on the skin of a single human being than there are human beings on the surface of the earth. 10% of human dry weight comes from bacteria. Every square inch of the human body has an average of 32 million bacteria on it.
In one square inch of our hand we have nine feet of blood vessels, 600 pain sensors, 9000 nerve endings, 36 heat sensors and 75 pressure sensors. Our hand contains three main nerves, two major arteries and 27 different bones. More of the body is devoted to controlling the hands than any other part of the body.
A human being can look forward to having sex an average of 2,580 times with five different partners. Humans and dolphins are the only species that have sex for pleasure. For every 2 weeks, the human stomach produces new layer of mucous lining, otherwise the stomach will digest itself. According to the Kinsey Institute, the biggest erect penis on record measures 13.5 inches and smallest tops off at 1 3/4 inches.
Every hour, the human eye can process 36,000 bits of information. The muscles of the eye move more than 100,000 times a day. Most people blink about 25 times per minute. If you blink one eye you move over 200 muscles. our eyeballs are three and a half percent salt. The eyelashes shed by a human in his entire life is of 30 m of length. There are around 1,200,000 optic fibers in the human eye. The human eye has 110-130 million receptors to perceive ligh and five to seven million receptors for color perception.
Hair is the fastest growing tissue in the body. On an average, in an adult scalp 35m of hair fiber is produced every day. The maximum length of hair can be 70 to 90 cms. The life span of hair is two to seven years. Male hairs are denser and grow faster than females. There are 22 bones in the human skull.
If you like this article, click on the button below