Bronchioles end in tiny air sacs called alveoli ... Carbon dioxide is made in our bodies as cells do their jobs. The lungs and respiratory system allow oxygen in the air to be taken into the body, ...

Bronchioles end in tiny air sacs called alveoli ... Carbon dioxide is made in our bodies as cells do their jobs. The lungs and respiratory system allow oxygen in the air to be taken into the body, ...

The bronchi in the lungs split into smaller and smaller tubes called bronchioles ... of the model represent different parts of the respiratory system as shown here. The model, which is air ...

respiratory bronchioles, alveolar duct, and alveoli. Understand the blood-air interface in the alveolus and know the function of the type 1 and 2 pneumocyte and alveolar macrophage. The respiratory ...