===Terminal bronchioles=== The terminal bronchiole is the most distal segment of the conducting zone. It branches off the lesser bronchioles. Each of the terminal bronchioles divides to form respiratory bronchioles which contain a small number of alveoli. Terminal bronchioles are lined with simple cuboidal epithelium containing club cells.
Ecotourism in Costa Rica. Ecotourism in Costa Rica is one of the key activities of the tourism industry in the country. By the early 1990s, Costa Rica became known as the poster child of ecotourism. The country is among many developing nations that look to ecotourism as a way of cashing in on the growing demand for this popular trend of travel.
Costa Rica is a country located in Central America that has unlimited tourist potential and is ranked as one of the most visited international destinations. One of Costa Ricaâs main sources of income is tourism.Costa Rica is a democratic and peaceful country, and it has not had an army since the year 1949.Although the country is small and it covers only 0.03 % of the surface of the globe, it proudly shelters a 5% of the existing biodiversity in the entire world.osta Rica is divided into seven provinces, these are: San Jose, JosÃ©, Alajuela, Heredia, Cartago, Puntarenas, guanacaste And. Limon each province is subdivided into regions and these are subdivided into. Districts the country has as a marine territory known As'coco S. island