===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.
Ecotourism Costa Rica: Donât Mess It Up. So yes. There is work to do. But the fact that Costa Rica had the wisdom to abolish its army in 1948 and stands out as the most stable democracy in Latin America attests to a bright future. Costa Rica aims to be the first carbon neutral country by 2021. Citizens plant millions of trees a year. Tens of thousands of Costa Ricans have had their quality of life improved through ecotourism and still more need to be included in the benefits of that economy. If they arenât included Costa Ricaâs grand experiment will prove only a marginal success if not a failure.