What is true about about mammalian red blood cells?
A)Red blood cells are also called leukocytes.
B)A mature red blood cell is shaped like a biconcave disc because it has no nucleus.
C)Red blood cells contain albumin.
D)Red blood cells develop from lymphoid stem cells.
E)Aged red blood cells are removed from the blood by the kidneys.

Question

Quizplus · Accepted Answer

A mature red blood cell is shaped like a biconcave disc because it has no nucleus. This allows it to be flexible and squeeze through narrow blood vessels.

Answer: E
 Aged red blood cells are removed from the blood by the liver and spleen, not the kidneys.

What Is True About About Mammalian Red Blood Cells