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A & P Ch. 9
| Term | Definition |
|---|---|
| Alveolar Capillary Membrane | Gas-exchange structure containing alveoli and capillaries |
| Alveoli | Air sacs in lungs where gas is exchanged in the capillaries |
| Bronchioles | Thin-walled branches of the bronchi |
| Cardiopulmonary System | Heart and lung interaction |
| Conchae | Nasal bones which extend down the nasal cavity |
| Epiglottis | Covers opening to trachea to prevent choking. |
| Larnyx | Voice box |
| Mediastinum | Thoracic cavity between the lungs |
| Nares | Nostrils |
| Palate | Roof of the mouth |
| Pharnyx | Throat |
| Pleural Sac | Double-walled membrane surrounding the lungs |
| Sinuses | Air-filled cavities surrounding the nose |
| Surfactant | Phospholipid which prevents alveoli from collapsing |
| Thyroid Cartilage | Adam's Apple |
| Tonsils | Lymphatic tissue which act as the first line of defense against infection |
| Trachea | The windpipe |
| Expiration | Exhalation |
| ERV | Additional amount of air which can be released after a normal exhalation |
| FEV1 | Amount of air exhaled per second |
| FRC | Amount of air that remains in the lungs after a normal expiration |
| Inspiration | Inhalation |
| IRV | Amount of air which can be inhaled after a normal inhalation |
| RV | The volume air which never leaves the lungs |
| TV | Amount of air inhaled in a normal breath |
| VC | Total amount of air that can be forcibly expired from the lungs after a maximum inspiration |
| TLC | IRV+TV+ERV+RV |
| Acute Brochitis | Temporary inflammation of the mucous membranes that line the trachea |
| Asthma | Airway inflammation causing airway obstruction |
| Bronchospasm | Bronchial muscles constricting during an asthma attack |
| Chronic Bronchitis | On-going bronchitis |
| COPD | Any lung disorder characterized by a long-term airway obstruction |
| Emphysema | Chronic inflammation of the lungs characterized by an abnormal increase in the air spaces near the bronchioles |
| Hyperventilation | Excessive breathing leading to excessive expulsion of CO2 |
| Influenza | The flu, viral infection affecting the respiratory system |
| Laryngitis | Inflammation of the voice box |
| Pharyngitis | Inflammation of the throat |
| Pneumonia | Infection of the lungs causing inflammation |
| Sinusitis | Inflammation of the sinuses |
| Tonsilitis | Inflammation of the tonsils |
| TB | Highly contagious bacterial infection caused by Mycobacterium tuberculosis |
Created by:
Andrearoberts
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