Modern means of transportation make it possible to cross hundreds of thousands of kilometers in a few hours, making the journey possibilities virtually unlimited. And everything would be…
organism
What to do with severe stomach poisoning
An unpleasant surprise in the form of poisoning can catch a person anywhere, anytime, especially in the summer. In most cases, bacteria and viruses that cause poisoning of…
The effect of electric current on the body, dangerous voltages, currents, frequencies, causes of electric shock.
The action of electric current on the body and electric shock can occur in the following forms: cardiac arrest or breathing during the passage of electric current through…
Adverse natural factors in extreme or emergency situations.
When an emergency occurs, a person is faced with many different problems. But the main one, especially in the first hours and minutes, is the problem of preserving…
Stages of psychological adaptation in emergency and extreme situations.
The action of psycho-traumatic factors during an extreme situation causes a state of overstrain stress in the human body. Stress is an integral part of life, only distress…
Hyperthermia, overheating of the body, symptoms, first aid. Heatstroke. Burns.
Hyperthermia, overheating, this is the state of the body in conditions of high ambient temperature with excess heat generation over the heat transfer of the body, accompanied by…
How and what to eat on a hike or expedition, the average daily energy consumption of the body.
In the language of science, the main purpose of nutrition is to maintain biochemical constancy within the body. The average daily energy consumption for men is 3000 kcal,…
Reserve capabilities of the human body, replenishment of energy costs through nutrition.
It is known that a person can do without food for quite a long time. Physiologists repeatedly conducted experiments with different periods of fasting with the participation of…
Diseases caused by the geographical environment, vitamin deficiency and malnutrition, acclimatization and adaptation of the body.
A change in climatic and geographical conditions is one of the important circumstances associated with staying in different climatic zones. Even an ordinary trip to another locality, country,…
Mineral substances necessary for the human body, calcium, phosphorus, iron, cobalt, zinc, copper, arsenic, vanadium, properties, what products are contained, daily requirement.
Minerals are actively involved in all processes that occur in the human body. Out of about a hundred minerals discovered on Earth, at least twenty are needed for…