===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, officially called the Republic of Costa Rica, is located on the Central American isthmus between Nicaragua and Panama. Because it is on an isthmus, Costa Rica also has coastlines along the Pacific Ocean and the Gulf of Mexico.The country features numerous rainforests and a plethora of flora and fauna which make it a popular destination for tourism and ecotourism.he coastal lowlands of Costa Rica are incredibly biodiverse and feature many different types of plants and wildlife. Both coasts feature mangrove swamps and the Gulf of Mexico side is heavily forested with tropical rainforests.