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Respiratory System L
respiratory system
| Question | Answer |
|---|---|
| respiratory system | consists of the lungs and air passages; responsible for taking in oxygen and removing carbon dioxide |
| nose | has two openings called nostrils through which air enters |
| nasal septum | divides the nose into two hollow spaces |
| nasal cavities | lined with a mucous membrane |
| cilia | tiny, hairlike structures that filter inhaled air to trap dust and other particles |
| sinuses | cavities in the skull that surround the nasal area |
| pharynx | throat; lies directly behind the nasal cavities |
| larynx | voice box; lies between the pharynx and trachea |
| epiglottis | a special leaflike piece of cartilage, closes the opening into the larynx during swallowing |
| trachea | windpipe; tube extending from the larynx to the center of the chest |
| bronchi | where the trachea divides into two bronchi; a right bronchus and a left bronchus |
| bronchioles | the smallest branches of the bronchi unit |
| alveoli | contain a rich network of blood capillaries |
| lungs | an organ located in the thoracic cavity where the divisions of the bronchi and alveoli are found |
| pleura | what each lung is enclosed in; a membrane |
| ventilation | the process of breathing |
| inspiration | the process of breathing in air |
| expiration | when air is forced out of the lungs and you breath out |
| respiration | the process of inspiration and expiration |
| external respiration | the exchange of oxygen and carbon dioxide between the lungs and bloodstream |
| internal respiration | the exchange of carbon dioxide and oxygen between the tissue cells and the bloodstream |
| cellular respiration | when the cells use the oxygen and nutrients to produce energy, water, and carbon dioxide |
| asthma | cause: a sensitivity to an allergen; stress; infection symptoms: dyspnea, wheezing, coughing treatment: bronchodilators, anti-inflammatory medications |
| bronchitis | causes: infection symptom: chest pain, fever, dyspnea treatment: antibiotics, expectorants, rest |
| chronic obstructive pulmonary disease | cause: smoking, infections symptoms: any chronic lung disease treatment: bronchodilators, mucolytics, cough medicine |
| emphysema | cause: heavy smoking symptom: dyspnea, pain, barrel chest, chronic cough treatment: breathing exercises |
| epistaxis | cause: |
Created by:
LMiller
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