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.
Lay-up, when you perform a layup you run and jump all in one motion
I'd put C, breathing due to lung damage
(of an man) the foreskin of the pen!s has not been excised.
(of a woman) the cl¡toris, prepuce, or labia has not been excised.