Life span of RBC is:
Ans: b (120 days) Ref: Ganong,22nd ed, p. 532In humans RBC survive in circulation for an average of 120 days.Remember Average life span of RBC- 120 daysAverage life span of neutrophil- 6 hoursAverage life span of platelets- 4 daysAverage life span of transfused platelets- 1 dayMonocytes as tissue macrophages-3 months (according to Bone marrow transplantation data.)
100 days
120 days
60 days
160 days
Heart, Circulation, and Blood