Respiratory

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The process that helps you breathe
The gas needed by the body during respiration
In which organ is the incoming air filtered, warmed, and humidified
Fain hairs that protect the nasal passages and filter out dust
a tube that allows air to flow from the throat (pharynx) to the track respiration
The walls are strengthened by stiff rings of cartilage to keep it open
The main organs of the respiratory system
The bronchi branch into thousands of smaller tubes called ?
Bronchioles end in clusters of tiny air sacs called ?
Alveoli is made up of a mesh of tiny blood vessels called ?