Biology, 23.11.2019 07:31 masogreene123
Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. the problem is the result of
a) inflammation of the bronchi. constriction of the trachea.
b) thick secretions that exceed the ability of the mucus elevator to transport them.
c) laryngospasms that occur in response to a toxic substance produced by the epithelial cells.
d) collapse of one or both lungs.
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Harry suffers from cystic fibrosis and frequently has periods where he can hardly breathe. the probl...
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