Does a beating heart get tired?
From birth to the end of life, the heart always works tirelessly day and night. People often compare the heart to a perpetual motion machine, …
Tag: body
Why are the five fingers different in length?
Why are our fingers different in length? Some people might think that this is natural. We have been like this when we were in our …
Why are men not as plump as women?
Compared with adolescent females, males are taller, stronger, muscular, and stronger, while females of the same age are more rounded and plump, with beautiful and …
Is obesity contagious?
Because many people are eating high-calorie foods while getting rid of heavy physical labor, become more resident or like to watch TV on the sofa …
Why won’t gastric juice dissolve our body?
The stomach is the digestive organ of the human body and has a powerful digestive function. The gastric juice used to digest food in the …
Can gray hair happen overnight?
Do people really gray hair overnight? The most famous representative in the record of overnight gray hair is Marie Antoinette, Queen of France. Because of …
Yawning is also contagious, do you believe it?
Many people have this experience: As long as one person yawns in the house, it will cause a yawning sound. But yawning is not like …
Do you believe that the fetus will cry too?
There is a folk saying: everyone comes to this world crying, but smiles when they leave. We have always thought that the cry of a …
Is there any scientific basis for prenatal education?
In recent years, prenatal education has become very popular. Many people disagree that the fetus can also receive education. They believe that the fetus is …
Can one sleep with eyes open?
Is there anyone in this world who sleeps with eyes open? The first thing to be clear is that normal people have their eyes closed …
Is the left ear more sensitive than the right ear?
The size, shape, and position of the two ears of a person are basically the same. Many people think that the hearing of the left …
Why does my own voice sound strange in the recording?
There are always scenes like this in life that are unbelievable: Whenever we speak in public, we are always startled by the strange voice from …