Questions and Answers
What is the primary function of ventilation in the respiratory system?
To move air in and out of the lungs for gas exchange
Where does the transfer of gases to and from the blood occur in the respiratory system?
Alveoli
What is the function of the larynx in the respiratory system?
Production of sound
What structure holds the trachea open in the respiratory system?
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Where does air first enter the respiratory system from the mouth?
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Study Notes
Ventilation in the Respiratory System
- The primary function of ventilation is to facilitate the exchange of oxygen and carbon dioxide between the atmosphere and the lungs.
Gas Transfer
- The transfer of gases to and from the blood occurs in the alveoli, tiny sacs located at the end of the bronchioles in the lungs.
Larynx Function
- The larynx, or voice box, serves as a passageway for air and is responsible for producing sound during speech.
Trachea Support
- The trachea is held open by C-shaped rings of cartilage, allowing air to pass through.
Air Entry Point
- Air first enters the respiratory system through the mouth or nose, passing through the pharynx (throat) before entering the larynx.
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