Untreated caused by damage to the blood vessels of the light sensitive tissue at the back of the eye
Cilia is the structure that the body uses to trap particulates like dust and and dander, as well as pathogens like bacteria which cause major infections. These Cilia push such things back up the tract. If the Cilia is deteriated, the bacteria can easily move to the Bronchioles and cause infections.
Answer:
when I'm failed I learned that I need to stand and never giving up for reaching my dreams