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正常人的体温约37℃左右,昼夜的温差不会超过1℃。体温在性别和年龄上也略有不同,如女性略高于男性;新生儿略高于儿童;年轻人略高于老年人。人体通过产热和散热机制来保持平衡,使体温在一日内保持恒定。发热是指人体的体温超过正常范围,当口腔温度超过37.3℃或直肠温度超过37.6℃,昼夜间波动超过1℃时即为发热(发烧)。 1.发热的原因发热是人体患病时所表现的一种症状,其原因可以是细菌、病毒和寄生虫感
Normal body temperature of about 37 ℃, the temperature difference between day and night will not exceed 1 ℃. Body temperature also varies slightly in terms of gender and age, eg slightly higher for women than for men; slightly higher for newborns than for children; slightly higher for younger adults than for older adults. The body through the heat and cooling mechanism to maintain the balance, the body temperature in a day to maintain a constant. Fever refers to the human body temperature exceeds the normal range, when the oral temperature exceeds 37.3 ℃ or rectal temperature exceeds 37.6 ℃, day and night when more than 1 ℃ fluctuations when the fever (fever). 1. The cause of fever Fever is manifested when the human body symptoms, the reason can be bacteria, viruses and parasitic infections