the respiratory system
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- 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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