Asked in HEC Phase II 2017 2017Moderate

The life span of RBC is:

Correct answer: C. 120 days

  • A. 100 days
  • B. 110 days
  • C. 120 days
  • D. 130 days

Explanation

This is a standard answer. Lifespan of RBCs is approximately 120 days.This option c suggests that the life span of red blood cells (RBCs) is 100 days. In humans, the average life span of RBCs is indeed around 100-120 days. During this time, RBCs transport oxygen throughout the body before being removed by the spleen and liver.

Last updated

About Blood Vessels

Blood vessels include arteries, arterioles, capillaries, venules and veins, whose wall thickness, elasticity, lumen size and valves suit their roles in circulation. Questions compare pressure and blood flow in each vessel and distinguish pulmonary vessels, which carry blood to and from the lungs, from systemic vessels.

Practise Circulation

695 free Circulation MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

Exams that ask Biology questions like this

Biology is on 6 papers prepared for on TestUstad, and all of them draw the same bank, so this question is worth knowing for every one of them.

Related questions