Notes. pleura. serous membrane lining the pleural cavity. there are two types of pleura: visceral pleura covers the lungs, parietal pleura lines the inner surfaces of the walls of pleural cavity; parietal pleura is sensitive to pain but visceral pleura is not sensitive to pain.
The pronoun 'our' is the first person, the speaker  and one or more other people.   The pronoun 'our' is the first person, plural, possessive  adjective, placed before aâ¦ noun to show that the noun  belongs to the speaker and one or more others.    Example: John and I came from Maine.
The use of first, second, and third person creates the perspective or point of view of a piece of writing. Writing in first person uses the personal pronouns I, we, me, and us, and the possessive forms my, mine, our, and ours; while second person uses you, and the possessives your and yours..