Anemia贫血
1.Whatisanemia?
什么是贫血?
Anemiaisaconditionthatdevelopswhenyourbloodlacksenoughhealthyredbloodcellsorhemoglobin.贫血是当你的血液缺乏足够健康的红细胞或血红蛋白时产生的一种疾病。Hemoglobinisamainpartofredbloodcellsandbindsoxygen.Ifyouhavetoofeworredbloodcells,oryourhemoglobinisabnormalorlow,thecellsinyourbodywillnotgetenoughoxygen.血红蛋白是红细胞的主要组成部分,与氧结合。如果你的红细胞太少,或者你的血红蛋白异常或过低,你体内的细胞将得不到足够的氧气。Symptomsofanemia-likefatigue-occurbecauseorgansarentgettingwhattheyneedtofunctionproperly.贫血的症状,如疲劳,是因为器官得不到正常运转所需的东西。2.Whatcausesanemia?
什么原因引起贫血?
Therearemorethantypesofanemia,whicharedividedintothreegroups:贫血有多种类型,分为三组:Anemiacausedbybloodloss
失血性贫血
Anemiacausedbydecreasedorfaultyredbloodcellproduction
红细胞减少或缺陷引起的贫血
Anemiacausedbydestructionofredbloodcells
红细胞破坏引起的贫血
Anemiacausedbybloodloss失血性贫血Redbloodcellscanbelostthroughbleeding,whichcanoccurslowlyoveralongperiodoftime,andcanoftengoundetected.Thiskindofchronicbleeding