|
The temperature of the body metabolizes the necessary conditions for normal life activities. The situation could change in environmental temperature, the temperature in vivo regulation of body temperature to maintain the relative balance. Moreover, to maintain body temperature higher than the ambient temperature, ambient temperature to adapt to the changes. This change is a dynamic process of heat production and heat to achieve the two.
Not out of the body as a "gas", "Fire" has produced heat, heat has been constantly disseminated. If a person's body temperature not distributed temperature will be higher, so people do not burned? Not necessarily. Day through breathing, defecation and urination, sweating disseminate a lot of heat, the body temperature will maintain this balance.
In one night, the temperature cyclical fluctuations in the early morning when the temperature at 2-6, 1-6 when the Supreme afternoon. daily and usually does not exceed 1 กใ C temperature fluctuations. Emotional and mental stress, such as eating, body temperature increased slightly; The use of anesthetics, anticonvulsants, newborns Low temperature will change the elderly. In a cold environment, the skin due to contraction of the blood vessels, skin blood flow, skin temperature will come down, reduce heat dissipation. In contrast, hot summer and skin vasodilation, skin blood flow, skin temperature rise, increased heat dissipation. Then, why obese people afraid of the heat?
In fact, obese people under layers of the skin heat shield (fat), fat little moisture, less vascular, is not easy to heat and scattered body heat does not come out, therefore, a hot weather, obesity will feel asthma Shishi, the open-mouth breathing. In addition to the role of casual use part of the grander scheme of lung heat, failed to meet the physical needs, particularly fat people so afraid of the heat.
Maybe somebody will say, I is not fat or thin, why can often feel cold fingers? This is because a larger temperature difference between the body surface of the site. When measured in the environment of 23 กใ C, 27 กใ C for foot skin temperature, skin temperature of 30 กใ C hand, the trunk is 32 กใ C, Levels of -34 กใ C to 33 กใ C, the lowest limbs peripheral skin temperature, the closer the trunk, head temperature. If the precise amount that the liver temperature of around 38 กใ C, the highest body. Brain more heat, the temperature was around 38 กใ C, so the temperature changes from the perspective that obesity is detrimental to human health.
This article was posted on 2007-02-27
|
