我叫钾,在人体的血清中,我的浓度虽然只有3.5～5.5毫摩尔/升,但我却是生命活动所必需的元素。当人体内缺少我时,会造成全身无力、疲乏、心跳减弱、头昏眼花等症状,严重缺我时还会导致呼吸肌麻痹死亡。此外,人体缺了我,会使胃肠蠕动减慢,导致肠麻痹,加重厌食,出现恶心、呕吐、腹胀等症状。临床医学资料还证明,夏季中暑者均有血钾降低现象。夏季时,调皮的我很容易溜出人体。首先,人体在夏季大量出汗,汗液中除了水分和钠以外,还含有不少我的兄弟姐妹;其次,夏季人们的食 My name is potassium, and in human serum, my concentration is only 3.5-5.5 mmol / l, but I am the necessary element of life activity. When the body lacks me, it can cause general weakness, tiredness, weakening of the heartbeat, dizziness and other symptoms. When I am severely deprived of my body, I can also cause paralysis of respiratory muscles. In addition, the body is missing me, will slow down the gastrointestinal motility, leading to intestinal paralysis, increased anorexia, nausea, vomiting, abdominal distension and other symptoms. Clinical data also shows that summer heat stroke have decreased serum potassium. In summer, naughty I can easily slip out of the body. First of all, the body sweats heavily in the summer, in addition to water and sodium sweat, it also contains many of my siblings; secondly, the summer’s food