Knowledge about death: For example, some creatures do not die
1, the history of human burial of the dead has lasted at least 200,000 years, and the earliest cemetery suspected located in Spain Ata and Wales Pontnewydd caves.
2, the reasons for our aging and death are still a mystery. And one assumption is that most creatures are killed or dead before they age, and evolution does not clear the mutations that hurt us when we age.
3,Both Mortality and Mortal are derived from the Latin "Mors," meaning death.
4,Only about 93.5% of humans have died. (An estimated 108,000,000,000 human beings are or have existed in this world, and about 7,000,000,000 are now in the world.)
- People with Kotal's syndrome may think they are dead.
6, there are many parts of the world popular burial, the vultures eat the remains of the deceased, rather than to bury them. However, in recent decades, the number of vultures has been less and less.
7, heart disease is the main cause of human death.
8, the main cause of death of young people in developed countries is a car accident.
9, the main reason for the death of young women in developing countries is dystocia.
- According to the Population Bureau and the CIA, nearly eight out of every 1,000 people die each year.
- About 55.3 million people die each year, killing about 151,600 people a day, 6,316 deaths per hour, 105 people per minute, 2 per second.
12, in any second, the number of births is twice the death toll.
13, about 55,000,000 deaths each year, of which about 9,500,000 are Chinese.
- A waxy substance called "Corpse Wax" is applied to the remains of some dead people who can save the body for years.
15, the body will be rigid within three or four hours after the death. This is because some of the chemicals in the body force the muscles to contract.
16, the body's stiffness will be released within thirty-six hours.
- Forensic scientists can determine how long the insect has died by observing the bodies of different species of insects.
18, about 50,000,000 cells die every day in the body.
19, brain cells will stop within a few minutes after the heart stops beating, and skin cells can survive about twenty-four hours.
20, "brain death" means that the brain loses all its functions, including the brain stem.
21, living in the intestine a large number of digestive bacteria, which can survive after death. They will begin to digest the gut tissue after the person dies, and will eventually break through to the entire body.
22, fingernails and toenails continue to look long after death. This is because the skin around it is dry and shrinking and looks as if the nails are growing.
23, four days after death, the body will swell like a balloon, this is because the body material is digested to release gas and liquid.
24, according to the survey, about half of the British believe in the afterlife.
25, Pencils of male bodies often erect, a phenomenon frequently observed on hanged bodies.
26, due to the body's blood condensation, cyanosis will appear within twenty minutes after death.
27, ten to twelve hours after death, some cyanosis will disappear.
28, some animals do not die, or at least do not die, such as jellyfish and a flatworm.
- "Near-death experience" seems to be caused by dopamine and hypoxia.