________ hearing loss is due to obstruction of sound waves; thus, the sound waves never reach the organ of Corti

Which of the following is TRUE regarding mature red blood cells?

A) They are devoid of hemoglobin. B) They are often sickle shaped. C) Their red color indicates lack of oxygen. D) They have no nucleus.

The closing paragraph is the final chance to make your point

Indicate whether the statement is true or false