Diagram Of Inside Of The Lungs. Each lung is enclosed inside a sac called pleura which is a double membrane structure formed by a smooth membrane called serous membrane. When we breathe in air passes from our nose or mouth through to the windpipe trachea.
Inside the lungs the bronchus forms lobar bronchus for the supply in the lobes. Type 2 great alveolar epithelial cells. When air passes through the nose it is warmed moistened and filtered.
Volume increases in the chest cavity bottle which lowers air pressure in the lungs balloons inside the bottle.
This fluid lubricates the two surfaces and lets your lungs and chest wall move and expand as you breathe in and out. The beautifully hand drawn illustration shows a lung diagram labelled with blank spaces where learners can fill in its different components. The circulatory system does most of its work inside the chest. The air is moistened by the mucus present in the nose and it is warmed by the blood.