Question 1
Which of the following epithelia forms the walls of the air sacs across which gas exchange occurs in the lungs?
◦ simple cuboidal
◦ simple squamous
◦ simple columnar
◦ pseudostratified columnar
Question 2
Which statement best describes connective tissue?
◦ typically arranged in a single layer of cells
◦ primarily concerned with secretion
◦ usually contains a large amount of matrix
◦ usually lines a body cavity