What you don't know about the cold of the human body 2022 The liquid flowing from the nose may come from the brain.
The liquid flowing out of the nose is not only nasal mucus, but also brain fluid. Brain fluid exists around the brain, colorless, transparent and slightly sticky, just like the nose. Cerebrospinal fluid is fixed by a special membrane. When this membrane is damaged, it will flow out through the nose, which is medically called cerebrospinal fluid rhinorrhea. If you have a runny nose for a long time, you need to go to the hospital for examination as soon as possible.
More mucus is secreted in a day.
Adults can produce 1500 ml of snot a day, most of which are swallowed unconsciously; The human body produces about 3000 ml of gastric juice, saliva 1000 ml, bile 1000 ml and intestinal juice 3500 ml every day.
Muscles can burst into powerful forces.
Under normal circumstances, the human body has 640 muscles. When stress occurs, adrenaline soars extremely, which leads to more powerful force, which is simply unimaginable.
The type of TV observed will affect the color of dreams.
Through research, it is found that the type of TV watched in childhood will affect the color of dream scenes. People in the 8090 s lived in the era of black-and-white TV, so people would have monochrome dreams; /kloc-people born after 0/995 all appear in color TV sets, and the colors of dreams become rich and colorful.
Male breasts can also produce milk.
Do you know that male breasts also secrete milk, especially when the pressure is high, which will cause endocrine disorders and lead to nipple galactorrhea?
The length of blood vessels can circle the earth 2.5 times.
If all the blood vessels in adults are taken out and arranged in a line, the length will reach 654.38+ million miles, which can circle the earth 2.5 times.
The newborn is very strong.
Although the newborn is weak and sick, it is not tiring to let the baby grasp the horizontal bar and hover for a long time. The reason for this problem is that the palm grasping reflex is inherited by ancestors. Newborn babies have to grasp their mother's hair to survive, but they will lose this ability after three months.
Everyone is born with the ability to move his ears.
Anyone who has seen Tu Tu with big ears must be impressed by his proud "moving ears". Have you tried to move your ears? In fact, everyone has the ability to move their ears when they are born, but they have not been developed. The connected muscles have not been exercised, so they will slowly shrink, so they will not move their ears when they grow up.
We can't hold our breath.
On some occasions, people suddenly feel uncomfortable and want to fart, but they are afraid of embarrassing themselves, so some people choose to hold back. So where's the fart?
Fart will be absorbed into the blood with the intestinal wall, enter the systemic circulation with the blood, finally reach the lungs, and be excreted with normal breathing. So, as you know, fart will come out of your mouth, and you'd better not do it.