<prompt> Surfactant is secreted by which of the following:Type I pneumocyteType II pneumocyteSeoli cellLeydig cell  <response>: Type I pneumocyte: Involved in gas exchange makes up 80-90 of alveolar cells. Type II pneumocyte: Secrete surfactant makes up 5-10 area alveolar cells. Seoli cell: Present in seminiferous tubules, responsible for nourishment spermatozoa during spermatogenesis, has FSH receptors secrete inhibin. Leydig cell: Produces testosterone in response to LH. 