alleryWhat is the standard circulatory lifespan of a healthy human red blood cell before it is degraded?
A30 days
B60 days
C90 days
D120 days
Answer & Solution
Correct answer: D. 120 days
Human erythrocytes circulate for approximately 120 days before being filtered and cleared by macrophages.
Keep practising General Science and Life Science
Browse all General Science and Life Science questions for RRB NTPC, or explore more Science topics.
Related questions
Which kinematic quantity remains constant for a body undergoing uniform circular motion alWhen a physical body moves in uniform circular motion, the acting centripetal force altersWhat dynamic physical quantity was referred to by Sir Isaac Newton using the Latin term moNewton's Third Law is directly related to the conservation of what quantity?In Newton's Third Law, the paired action and reaction forces always act uponNewton's Third Law states that every action force has an equal and oppositeIn classical mechanics, linear momentum is defined as the product of mass andAccording to Newton's Second Law, the rate of change of momentum of a body is proportional