Chapter 9: Problem 11
How is inhaled air modified before it reaches the lungs? a. It must be humidified. b. It must be warmed. c. It must be filtered. d. All of these are correct.
Chapter 9: Problem 11
How is inhaled air modified before it reaches the lungs? a. It must be humidified. b. It must be warmed. c. It must be filtered. d. All of these are correct.
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Get started for freeMatch each description with a structure in the key. a. pharynx b. glottis c. larynx d. trachea e. bronchi f. bronchioles Opening into larynx
In humans, the respiratory center a. is stimulated by carbon dioxide. b. is located in the medulla oblongata. c. controls the rate of breathing. d. All of these are correct.
What are the steps of inspiration and expiration? How is breathing controlled? (pages \(191-92,194-95)\)
Hemoglobin assists transport of gases by a. combining with oxygen. b. combining with \(\mathrm{CO}_{2}\) c. combining with \(\mathrm{H}^{+}\) d. being present in red blood cells. e. All of these are correct.
Match each description with a structure in the key. a. pharynx b. glottis c. larynx d. trachea e. bronchi f. bronchioles Divisions of the trachea that enter lungs
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