this image shows the anatomy of the alveoli and their position in relation to the whole lung and displays their function in the exchange between the blood in the capillaries and the air in the alveoli
and displays the organs of the respiratory system starting from the nose and the mouth to the level of the alveoli
showing:
1. nasal cavity
2. mouth
3. epiglottis
4. larynx
5. trachea
6. left lung
7. alveoli filling the lung
8. diaphragm
9. bronchial tree (bronchial tubes)
10. the ribs of the chest wall
11. pleura
12. pulmonary artery
13. capillary network surrounding the alveoli
14. pulmonary vein
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