Start learning →

The lifespan of a human red blood cell (erythrocyte) is approximately:

A60 days (about two months)
B120 days (about four months)
C240 days (about eight months)
D360 days (about one year)
Answer & Solution
Correct answer: B. 120 days (about four months)
RBCs live ~120 days in circulation. They are produced in bone marrow (haematopoiesis) and destroyed in the spleen at end of life.
Practise this question with Quill — AP Intermediate 1st Year →

Keep practising Body Fluids and Circulation

Browse all Body Fluids and Circulation questions for AP Intermediate 1st Year, or explore more Biology topics.

Start a Body Fluids and Circulation lesson →
Related questions
Plasma makes up roughly what share of human blood?Tap the bigger blood valuePair each trace with its eventCall every blood componentOrder one cardiac cycleSort the ABO blood groupsNEET · Biology · Blood Flow Through the HeartNEET · Biology · Blood Component ↔ Function