Chapter 29 Respiration

Chapter 29 Respiration - Chapter 29 Respiration Vocabulary...

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Chapter 29 Respiration Vocabulary Alveoli – tiny air sacs where gas exchange occurs Bronchiole – further divisions of the bronchi, lead to the alveoli Bronchi – two of them, attached to the trachea, one leading to each lung. Bulk flow – fluids or gases moving in large amounts through large spaces, from areas of higher pressure to areas of lower pressure Chronic bronchitis – persistent lung infection causes coughing, swelling of the lining of the respiratory tract, increase in mucus production, resulting in a decrease in air flow to the alveoli Conduction portion – first part of the respiratory system in humans. Consists of a series of passageways that carry air into and out of the gas-exchange portion Diaphragm – muscle at the bottom of the chest cavity Emphysema – results when alveoli are damaged so that they no longer function Exhalation Gas-exchange portion- second part of the respiratory system in humans. Gases are exchanged with the blood in tiny sacs in the lungs. Hemoglobin
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This note was uploaded on 04/06/2008 for the course BIOL 1006 taught by Professor Lipscomb during the Spring '07 term at Virginia Tech.

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Chapter 29 Respiration - Chapter 29 Respiration Vocabulary...

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