Найдите прилагательные в сравнительной и превосходной степени it is estimated that the erythrocytes are the most numerous cellular elements, ranging from 4,000,000 to 5,000,000 per cu mm. the red blood cell count (rbc) may change with age; when the red blood cell count is done after physical exertion and emotions it may increase. one knows that red corpuscles have two physical features which are very important in the function of respiration. they have great elasticity and flexibility. these features give them the possibility to pass through very small capillaries. the discoid form of the corpuscle gives it a maximal surface for a given mass. the most important part of the red cell is its red colouring substance or hemoglobin which on an average forms about 36% of its mass. the total blood volume is divided into circulating and reservoir volumes. the average human blood volume is not less than 7.5% but not more than 10% of the body weight. it is generally stated that the circulating volume averages smaller in the females than in the males. the circulating volume of the blood depends on the changes of the air temperature.