As the heart is influenced by physical activity?
The load on the heart for each person will be different and it depends on many factors, for example, a large load is tested by athletes during intense training. The heart of man — this is a kind of pump, the principle of which prescribes that the heart muscle can adjust the load, which should be feasible and comfortable.
The natural control or self-regulation of stress on the heart by using heart rate. If a person, for example, is at rest, the heart rate ranges from 60 to 90 beats per minute. Within a minute through the heart muscle takes about
four liters of blood. This indicator is called the cardiac output.
Good exercise strengthens the heart muscle
When an additional load on the heart increases as the frequency of its contractions, and the amount of blood pumped by the heart. Typically, such a heart less wear because the load train. Heart healthy person is able to adapt, even in conditions of severe stress, but like any muscle, it takes time to relax. It should Continue reading
How to quickly recuperate from the stress
In the modern world most people are increasingly feeling the burden of everyday worries and difficulties that take not only physical, but especially emotional strength. How to quickly recuperate from the stress and strain, and is it possible?
Some chose the easy way out from the problems — to stifle their emotions and anxiety, using alcohol or specific medications. But such methods will in no way restore power, but on the contrary, Deplete the body physically and emotionally faster and to a greater extent. What can
How to recover strength and energy?
In order not only to restore emotional strength and vitality, but also to prevent their loss, it is important to understand the circumstances under which they are depleted . It is not so difficult, Continue reading
The effect of short – and long-term physical activity on the change in the number of sugar content in various tissues of 6 – and 12 – month animals before and after ionizing radiation
The problem of studying of mechanisms of influence of ionizing radiation on the organism of animals and humans is very important as at the present stage and the future of science. There are two types of human exposure: external and internal. External exposure is the exposure that comes from external sources (cosmic radiation, the radiation that comes from radioactive substances in the soil, etc.), internal radiation is radiation Continue reading