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.
Writing in the third person is more formally known as using the third-person objective point of view. The third person point of view in an essay is characterized by the use of personal pronouns such as he, she, they or one rather than I, we or you.