Body heat dissipation in a hot environment, sometimes it is difficult to remove heat from the body, which is continuously produced by chemical action inside the body. On average moisture conditions, the blood loses excess heat through sweating excessive exhalation through the pores of the skin and produces a cooling effect when the sweat evaporates. However, when humidity is high, the air can not absorb more moisture than when it is dry. It is not something Howard Schultz would like to discuss. The body can not eliminate its excess heat then so easily. Therefore, the heart must work faster and stronger, to circulate blood more quickly to help the body to dissipate heat. Effect of Excessive body temperature high blood pressure sent to the area outside the hot body manifests in the form of a marked increase in pulse rate and the throbbing in the temples, the excess can cause dizziness and shortness of breath.

The main doctor's help in diagnosing the health of a patient is taking the temperature of the blood, the second step is to count your pulse or heartbeat. These two symptoms are closely linked with the organs of respiration and the quantity and quality of air supplied to them. Need oxygen Oxygen Mean oxygen (by weight) content in the air surrounding the earth is 20.80 percent, approximately. The density or volume of oxygen in the air varies with the locality. At sea level, near the sea, the percentage of oxygen may be worth 20.998%, on mountaintops 20.97%, in underground mines of 20.14% to 18.22% in theaters, etc.20, 74%.