Would a lung surface area be the same as area?

No, lung surface area is different from the area. Lung surface area refers to the total surface area of the lungs, which includes the surface area of all the alveoli (small sacs where gas exchange takes place) and other respiratory structures within the lungs. On the other hand, area is a general term used to describe the amount of two-dimensional space occupied by a flat surface. It doesn't specifically refer to the surface area of the lungs or any particular object.