the air enters through the noseit meets with the pharynx and the larynx which is in the sound box
the larynx goes down and meets the trachea
the gray represents the trachea and meets with the bronchus
the bronchus goes down snd meet with the bronchioles and enters the lungs
the lungs is the main part of the respiratory system, and goes into the bronchi then into the alveoli which is inside the 5 tube that is in side of the lungs.
the diaphragm is the last part of the respiratory system and the diaphragm, it contract to allow the lungs to expand and let air into them
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