• The organs of the respiratory system move air into and out of the body.
  • In addition to the lungs, these organs include the pharynx,.
  • larynx, trachea and bronchi.
  • The nose and nasal cavity filter, warm, and moisten the air we inhale.
  • Hairs and mucus produced in the nose trap particles in the air and prevent them from reaching the lungs.
  • Air passes through thin tissues in the larynX, producing sound.
  • Air travels through the lungs to alveoli, the sites of gas exchange.
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