Homestead is a city within Miami-Dade County in the U.S. state of Florida, nestled between Biscayne National Park to the east and Everglades National Park to the west. Homestead is primarily a Miami suburb and a major agricultural area. Homestead was incorporated in 1913 and is the second oldest city in Miami-Dade County next to the city of Miami. It is located approximately 35 miles (56 km) southwest of Miami, and 25 miles (40 km) northwest of Key Largo.
Airways Inside the Lungs. Airways Inside the Lungs. The lungs' airways (bronchial tubes) divide into smaller and smaller branches (bronchioles). The airways end in air sacs (alveoli) where oxygen moves into the blood.
See what healthy lungs can do for you. Every cell in your body needs oxygen in order to live. The air we breathe contains oxygen and other gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body.At each cell in your body, oxygen is exchanged for a waste gas called carbon dioxide.Your bloodstream then carries this waste gas back to the lungs where it is removed from the blood stream and then exhaled.ee what healthy lungs can do for you. Every cell in your body needs oxygen in order to live. The air we breathe contains oxygen and other gases. Once in the lungs, oxygen is moved into the bloodstream and carried through your body.