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Lungs
The lungs are part of our respiratory system. Along with the trachea, alveoli, bronchi and diaphragm, they help us breathe in oxygen and exhale carbon dioxide. Lungs can be affected by infection or allergy or may puncture or collapse.
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Topic: Introduction to the lungs
Respiratory system
The respiratory system takes up oxygen from the air we breathe and expels the unwanted carbon dioxide.
Disease clusters
Disease clusters are rare but can cause community concern about the possible effects of exposure to environmental hazards.
