Components and physicochemical properties of blood ; concept of hematocrit value ; the number of blood cells ; physiologic properties and generating regulation of red blood cells ; blood coagulation ; abo blood group system 血液的组成及理化特性;血细胞比容的概念;三种血细胞的数量;红细胞的生理特性和生成调节;血液凝固; abo血型系统。