In general, sleep talking is not very common, since it’s estimated that only five percent of adults are regularly affec…

During the first wave of plagues in the 6th century, Pope Gregory the Great ordered that anyone who sneezed should be b…

The human nose works a bit like thermostatic heater: when it gets cold, warm blood rushes through the nose.  Cold trigg…

The eyes and nose are connected by the tear duct. Even when we are not crying, the tear glands produce tear fluid all t…

We all know there are Pygmy peoples whose average height is unusually short. But does some human group have consider…

Even in the most developed countries in the world, we can’t find a transport system, whose performance is comparable to…

All people do not have the same blood. It was only recently discovered, and until then, the blood, in emergency was gi…

The average human body contains about 1.5 kg of calcium. Major part of the calcium is in the bones as a major part of b…

Human bones are so strong that it is a wonder that they ever break! Bone can bear a load, 30 times greater than brick c…

Would not it be wonderful if people who have lost an arm or leg, or just a finger in an accident, could just grow a new…

Even before the baby is born, watching his parents, we can predict many of the biological features that it will have. …

If we get thirsty and we have no opportunities to drink something, we feel such a great thirst that we forget about eve…

To live and work the human body needs energy, which is obtained by burning the food we eat. The result of the combust…

Why do we Need Salt - Importance of Salt in Human Body The human body contains about 60 percent water. Many of our or…

Why do people sweat? Let us imagine that our body is one perpetually lit stove. The food that we take is the fuel tha…

Did you know that in ancient Rome ordinary man was expected to live up to 23 years? About a hundred years ago the av…

What is a Hormone? Hormones are secreted by the glands of internal secretion, which means that they are excreted in t…

What Causes Aging? When do People Stop Growing? The newborn is on average 48-50 cm long. Over the next twenty yea…

How do we Grow? One feature of the living things is growth. By growth the living being improves its composition and…

Hormones control the different parts of your body, so that everything is regulated.  Hormones are regulators of chem…