Browse 2,300+ parts of lungs stock illustrations and vector graphics available royalty-free, or start a new search to explore more great stock images and vector art. Respiratory system of human. This ...

The gas exchange system is made from key parts, each of which has a different ... bronchioles which take the air deeper into the lungs. Alveoli At the ends of bronchioles are tiny air sacs called ...

These end in microscopic air sacs called alveoli. The process of ventilation as a series of changes in pressure within the thorax can be modelled using the bell jar model. Parts of the model ...

Tiny hairs called cilia (say: SIL-ee-uh) protect the nasal passageways and other parts of the respiratory tract ... Bronchioles end in tiny air sacs called alveoli (say: al-VEE-uh-lie), where the ...