Black and yellow Lamborghini Who likes?

Black and yellow Lamborghini Who likes?

If you notice that your pupils or students are tired too soon, think it may be that in the training room is too hot or humid enough? And the increase in temperature and decrease in humidity increases oxygen consumption. Ventilate the room!
The chemical composition of the inhaled air: 78% nitrogen, 21% oxygen, 0.04% carbon dioxide, inert gases of about 1%. Changes in breath ratio of oxygen to carbon dioxide – according to 16% oxygen and 4.5% carbon dioxide.
The third area, which must be mentioned – pododezhnoe space. If the body temperature 36.6 degrees, the temperature of the skin is slightly lower and in different parts of the body have different values ​​- from 34 to 36 degrees. Our body gets the necessary heat by the decay of proteins, fats, carbohydrates, and during muscular work. That’s why if you’re cold, you’re starting to jump – the decay of muscle protein myosin allocate the necessary heat. Hardened person retains heat better, prevents hypothermia on reflex, unconscious level – the pores of the skin constrict, blood flow changes. There are several ways to heat loss to the environment – convection (air blowing), direct (on contact with cold objects), the evaporation of sweat. Reduces body temperature is evaporation. In itself, sweating leads to loss of water and salts, but not cool. Heat is lost through breathing, with feces and radiation. Heated body radiates heat to the objects having a temperature below. That is why children sometimes complain that they are cold to sit against the wall, even if they do not touch. Generally heat baby very imperfect, it strengthens the process of life and is particularly active in the hardening (described later).