- 问题详情:Ishumanbloodallthesame?“Yes.”Youmaysay.“It’sallred.”Well,it’snotassimpleasyoumightthink.Bloodismadeupofdifferentparts,suchasredbloodcells(红血球),whitebloodcellsandplatelets(血小板).Twochemicalmolecules(分子)ontheredbloodcellsmakepeople’sblooddiffer...
- 11447