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Respiratory
| Term | Definition |
|---|---|
| Asthma | A condition where airways become inflamed and narrow, making breathing difficult |
| Punctured Lung | A collapsed lung caused by air entering the chest cavity |
| Pulmonary Fibrosis | : Lung disease where lung tissue becomes scarred and stiff |
| Pulmonary Edema | Fluid buildup in the lungs that makes breathing difficult |
| Hyperventilate | Breathing very fast and deeply, often lowering carbon dioxide levels |
| Diffusion | Movement of gases from an area of high concentration to low concentration |
| Inspiration | The act of breathing air into the lungs |
| Expiration | The act of breathing air out of the lungs |
| Respiratory Rate | Number of breaths taken per minute |
| Pulse Oximetry | A test that measures oxygen levels in the blood |
| Peak Expiratory Flow (PEF) | The fastest speed air can be blown out of the lungs |
| Peak Expiratory Flow Rate (PEFR) | Measurement of how quickly a person can exhale |
| Forced Expiratory Volume (FEV1) | Amount of air exhaled forcefully in one second |
| Bronchodilator | Medication that relaxes and opens the airways |
| Upper Respiratory Tract | The airways above the lungs including nose and throat |
| Larynx | Voice box that connects the pharynx to the trachea |
| Pharynx | Throat passage that carries air from the nose to the larynx |
| Nasal Cavity | Hollow space inside the nose that filters and warms air |
| Lower Respiratory Tract | Airways that carry air into the lungs |
| Bronchi | Two main branches of the trachea leading to the lungs |
| Bronchioles | Small branches of bronchi inside the lungs |
| Alveoli | Tiny air sacs where oxygen and carbon dioxide exchange occurs |
| Trachea | Windpipe that carries air from the larynx to the bronchi |
| Lungs | Organs where gas exchange occurs |
| Right Superior Lobe | Upper section of the right lung |
| Right Medial Lobe | Middle section of the right lung |
| Right Inferior Lobe | Lower section of the right lung |
| Left Superior Lobe | Upper section of the left lung |
| Left Inferior Lobe | Lower section of the left lung |
| Horizontal Fissure | Groove that separates the right upper and middle lung lobes |
| Oblique Fissure | Groove separating lung lobes in both lungs |
| Diaphragm | Dome-shaped muscle that controls breathing |
| Cartilaginous Rings | Rings of cartilage that keep the trachea open |
| Epiglottis | Flap that prevents food from entering the airway |
| Respiratory Zone | Area of the lungs where gas exchange occurs |
| Conducting Zone | Airways that move air to the respiratory zone |
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