Since Erythrocytes Lack the Cellular Machinery to Make Repairs,they Only

Question

Since erythrocytes lack the cellular machinery to make repairs,they only live:
A)100- 120 days.
B)145- 175 days.
C)10- 20 days.
D)30- 60 days

Accepted Answer

Erythrocytes, or red blood cells, lack a nucleus and organelles, including the machinery needed for DNA replication and other cellular processes. Therefore, they have a limited lifespan of approximately 100-120 days, after which they are removed from circulation by the spleen and liver.