Heading down there in August too. I'm no expert, but having vacationed in the OBX the last 5 years, I know August is the early portion of hurricane season. Most season's typically peak in September, but August has its fair share (Katrina). Jamaica is just as vulnerable as any other island in that neighborhood.
Gas exchange in the lungs takes place in the tiny air sacs called alveoli in the lungs. The process of inhalation must inflate the alveoli, but it can only do so because of the presence of a surfactant fluid that coats the alveoli and lowers the surface tension of their walls.as exchange in the lungs takes place in the tiny air sacs called alveoli in the lungs. The process of inhalation must inflate the alveoli, but it can only do so because of the presence of a surfactant fluid that coats the alveoli and lowers the surface tension of their walls.
Inside the air sacs, carbon dioxide moves from the blood into the air. At the same time, oxygen moves from the air into the blood in the capillaries. The oxygen-rich blood then travels to the heart through the pulmonary vein and its branches.The heart pumps the oxygen-rich blood out to the body.hey also carry carbon dioxide, a waste gas, out of your lungs. The airways include your: 1  Nose and linked air passages (called nasal cavities). 2  Mouth. 3  Larynx (LAR-ingks), or voice box. 4  Trachea (TRA-ke-ah), or windpipe. 5  Tubes called bronchial tubes or bronchi, and their branches.