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7Sci CH16
7th Science CH16 Breathing
| Term | Definition |
|---|---|
| alveoli | thin-walled balloon-like sacs within your lungs |
| asthma | lung disorder in which the bronchial tubes become constricted quickly; results in reduced flow of air to the lungs, shortness of breath, wheezing, and coughing; often an allergic or stress reaction |
| cellular respiration | process in which your body gets energy to operate; oxygen from the respiratory systems combines with nutrients stored in your cells and releases energy, carbon dioxide,and water |
| cilia | tiny hairlike structures lining your nasal passages, trachea, and lungs |
| cystic fibrosis | lung disease that is passed genetically from parents to children; thick mucus blocks air passages of the respiratory system, causing lung damage, wheezing,and frequent lung infections |
| diaphragm | thin sheet of muscle under your lungs |
| emphysema | lung disease in which the air passageways or alveoli are no longer able to expand or contract; the lungs become scarred and less oxygen goes into the bloodstream, so the heart must work harder, often resulting in heart problems as well |
| gill | main respiratory structures of most fish |
| hemoglobin | oxygen-binding, iron-containing substance found in red blood cells |
| lung | the main organ of your respiratory system |
| lung cancer | cancer that causes the most deaths among men and women in the US |
| trachea | an air-conducting tube; in humans, the windpipe |
Created by:
djhockett5
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