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The least common but most lethal form of lung cancer is small-cell carcinoma.  

Alveolar gas exchange is the back-and-forth traffic of carbon dioxide and oxygen across the respiratory membrane.         [a]   diffuses out of the alveoli and into capillaries.        [b]    diffuses out of capillaries and into alveoli.

Complete the phrases by filling in the blanks with the words listed below: blood  , systemic tissues,  lungs,  heart  1. External respiration is the exchange of gases between [a]   and [b]      2. Internal respiration is the exchange of gases between [c]   and [d]

Fill in the blanks using any of the following terms: (in, out, decreases, increases, drops, raises) 1.  As external intercostals and diaphragm contract, lung volume [a] , pressure [b] , and  air moves [c] 2. As external intercostals and diaphragm relax, lung volume  [d] , pressure [e] , and  air moves[f]  

The left lung has ________ lobes and the right lung has _____ lobes.    

________ receptors trigger protective responses such as coughing, sneezing, bronchioconstriction.

The lumen of the trachea and the bronchi are lined with ________ which contain _____ which secrete mucus.    

List the three factors that could create resistance to airflow:                 [a]                  [b]                 [c] 

List two factors that contribute to COPDs:              [a]                [b]  

ATP synthesis drives our need to take in oxygen and eliminate carbon dioxide. List the chemical equation of cellular respiration (glucose catabolism):