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.
You probably know what it means to write in the first person, but you may not be as confident about using the second- or third-person point of view. Today weâre going to focus on each of these three points of view. In grammatical terms, first person, second person, and third person refer to personal pronouns. Each âpersonâ has a different perspective, a âpoint of view,â and the three points of view have singular and plural forms as well as three case forms. First Person.