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| Frage | Antworten |
| Define Respiration | Respiration is the interchange of gases between blood and air within the lungs |
| Define Ventilation | Inhalation and Exhalation of gases through the respiratory tract. |
| What is the URT? | The upper respiratory tract (URT) comprises the tubes as far down as the larynx and |
| What is the LRT? | The tubes below the larynx and in the lungs constitute the lower respiratory tract (LRT) |
| What is the conducting portion of the lungs? | The conducting portion is the tube that runs from the mouth and nose to the lungs. |
| What is the respiratory portion of the lungs? | This the is component of the lungs where gas exchange takes place. |
| Why do the Trachea and Bronchi not collapse on Inhalation? | Cartiliage |
| Describe the structure of respiratory mucosa. | - Columnar cells - Cilia on luminal surface - Goblet cells |
| Describe how mucus is removed from the lungs. | Cilia beat the mucus up the trachea to the back of the pharynx where it is swallowed or expactorated. |
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