8 "crazy" facts about the human body

The human body is like an unsolvable mystery that presents you with surprising discoveries every day. The Popular Health Network recently published an article listing 8 crazy facts about the human body.

1. People can survive after most of their internal organs are removed

Experiments have shown that a person can survive even if the spleen, stomach, one kidney, one lung, 75% of the liver, 80% of the intestines and the pelvic bones and almost all the organs in the groin area are removed.

2. The systolic pressure can make the blood spray 9 meters away

Systolic pressure is the highest pressure in the artery when the human heart contracts. The pressure on the inner wall at this time is called systolic pressure. This pressure is enough to make the blood in the body spray more than 9 meters away.

3. Men can still have erections after death

This phenomenon occurs when a male dies standing up or facing downward. How does this phenomenon happen? When a man is alive, the heart pumps blood to all parts of the body. After death, this mechanism stops working and the blood begins to move downward under the influence of gravity, flowing to the lowest part of the body, causing swelling in that area.

4. 300 million cells die in the body every minute

This number may sound like a lot, but it is actually less than 0.0001% of the total number of cells replaced in the body every day. Approximately 10 trillion to 50 trillion cells are replaced in the body every day.

5. Heart attacks are more likely to occur on Mondays

A 10-year study in Scotland found that deaths from heart attacks were 20% higher on Mondays than on other days of the week. This can be caused by heavy drinking on the weekends and work-related stress.

6. Babies have more bones than adults

When a baby is born, it has 300 bones in its body. When they reach adulthood, they have only 206 bones left in their bodies. This is because those smaller bones eventually join together to form a stronger single bone.

7. Hair is the strongest

Hair may seem easily damaged, but it is not destroyed by climate change, water, and other natural forces, and it is resistant to many acids and corrosive chemicals. The Discovery Channel once broadcast a documentary about mummies, whose hair was still well preserved after hundreds of years.

8. Your personality will change if you don’t sleep for a few days

With water but no food, people can survive an average of 1-2 months, but not sleeping for a few days will change a person's personality and even lead to sudden death.